node_ids
sequencelengths 4
1.4k
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sequencelengths 1
2.22k
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sequencelengths 4
1.4k
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stringlengths 14
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] | [
[
51,
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[
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[
48,
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],
[
51,
52
],
[
54,
55
],
[
57,
58
]
] | [
"# Sの入力受付\nS = input()\n# Sを順に読み込みBがあったとき直前の文字と一緒に消去\nSTR = \"\"\nfor i in S:\n STR = STR + i\n if i == \"B\" and STR == \"\":\n STR = \"\"\n elif i == \"B\":\n STR = STR[:len(STR) - 2]\nprint(STR)",
"S = input()",
"S",
"input()",
"input",
"STR = \"\"",
"STR",
"\"\"",
"for i in S:\n STR = STR + i\n if i == \"B\" and STR == \"\":\n STR = \"\"\n elif i == \"B\":\n STR = STR[:len(STR) - 2]",
"i",
"S",
"STR = STR + i",
"STR",
"STR + i",
"STR",
"i",
"if i == \"B\" and STR == \"\":\n STR = \"\"\n elif i == \"B\":\n STR = STR[:len(STR) - 2]",
"i == \"B\" and STR == \"\"",
"i == \"B\"",
"i",
"\"B\"",
"STR == \"\"",
"STR",
"\"\"",
"STR = \"\"",
"STR",
"\"\"",
"elif i == \"B\":\n STR = STR[:len(STR) - 2]",
"i == \"B\"",
"i",
"\"B\"",
"STR = STR[:len(STR) - 2]",
"STR",
"STR[:len(STR) - 2]",
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"\"\"",
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"STR[:len(STR) - 2]",
"STR",
"S = input()",
"input()",
"S",
"STR = \"\"",
"\"\"",
"STR",
"STR = STR + i",
"STR + i",
"STR"
] | # Sの入力受付
S = input()
# Sを順に読み込みBがあったとき直前の文字と一緒に消去
STR = ""
for i in S:
STR = STR + i
if i == "B" and STR == "":
STR = ""
elif i == "B":
STR = STR[:len(STR) - 2]
print(STR)
|
[
7,
0,
13,
4,
13,
0,
13,
4,
13,
28,
13,
13,
14,
2,
13,
17,
14,
13,
4,
18,
13,
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9,
4,
18,
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13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
4,
13
] | [
[
36,
2
],
[
39,
6
],
[
11,
10
],
[
37,
10
],
[
10,
14
],
[
40,
20
],
[
40,
25
],
[
10,
27
],
[
40,
34
],
[
36,
37
],
[
39,
40
]
] | [
"str = input()\nans = list()\nfor s in str:\n if s == 'B':\n if ans:\n ans.pop()\n continue\n else:\n ans.append(s)\nprint(\"\".join(ans))",
"str = input()",
"str",
"input()",
"input",
"ans = list()",
"ans",
"list()",
"list",
"for s in str:\n if s == 'B':\n if ans:\n ans.pop()\n continue\n else:\n ans.append(s)",
"s",
"str",
"if s == 'B':\n if ans:\n ans.pop()\n continue\n else:\n ans.append(s)",
"s == 'B'",
"s",
"'B'",
"if ans:\n ans.pop()\n ",
"ans",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"continue",
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"ans.append",
"ans",
"append",
"s",
"print(\"\".join(ans))",
"print",
"\"\".join(ans)",
"\"\".join",
"\"\"",
"join",
"ans",
"str = input()",
"input()",
"str",
"ans = list()",
"list()",
"ans"
] | str = input()
ans = list()
for s in str:
if s == 'B':
if ans:
ans.pop()
continue
else:
ans.append(s)
print("".join(ans)) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
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2,
13,
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0,
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13,
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0,
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4,
13,
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10,
18,
13,
10,
17,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13
] | [
[
45,
2
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[
51,
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10,
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[
46,
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[
9,
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],
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52,
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49,
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],
[
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],
[
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],
[
52,
32
],
[
40,
32
],
[
49,
32
],
[
43,
32
],
[
40,
37
],
[
49,
37
],
[
43,
37
],
[
52,
37
],
[
39,
40
],
[
42,
43
],
[
45,
46
],
[
48,
49
],
[
51,
52
]
] | [
"s = input()\na = \"\"\nfor i in s:\n if i == \"0\":\n a+=\"0\"\n elif i == \"1\":\n a+=\"1\"\n else:\n if a!=\"\":\n a=a[:-1]\n \nprint(a)",
"s = input()",
"s",
"input()",
"input",
"a = \"\"",
"a",
"\"\"",
"for i in s:\n if i == \"0\":\n a+=\"0\"\n elif i == \"1\":\n a+=\"1\"\n else:\n if a!=\"\":\n a=a[:-1]\n ",
"i",
"s",
"if i == \"0\":\n a+=\"0\"\n elif i == \"1\":\n a+=\"1\"\n else:\n if a!=\"\":\n a=a[:-1]\n ",
"i == \"0\"",
"i",
"\"0\"",
"a+=\"0\"",
"a",
"\"0\"",
"elif i == \"1\":\n a+=\"1\"\n ",
"i == \"1\"",
"i",
"\"1\"",
"a+=\"1\"",
"a",
"\"1\"",
"if a!=\"\":\n a=a[:-1]\n ",
"a!=\"\"",
"a",
"\"\"",
"a=a[:-1]",
"a",
"a[:-1]",
"a",
":-1",
"-1",
"print(a)",
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"a",
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"a[:-1]",
"a",
"a+=\"0\"",
"\"0\"",
"a",
"s = input()",
"input()",
"s",
"a+=\"1\"",
"\"1\"",
"a",
"a = \"\"",
"\"\"",
"a"
] | s = input()
a = ""
for i in s:
if i == "0":
a+="0"
elif i == "1":
a+="1"
else:
if a!="":
a=a[:-1]
print(a) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
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4,
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13,
10,
17,
13,
10,
18,
13,
10,
4,
13,
10,
13,
13
] | [
[
36,
2
],
[
30,
6
],
[
10,
9
],
[
37,
9
],
[
9,
13
],
[
33,
18
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[
31,
20
],
[
40,
20
],
[
34,
20
],
[
39,
24
],
[
9,
25
],
[
40,
28
],
[
34,
28
],
[
31,
28
],
[
30,
31
],
[
33,
34
],
[
36,
37
],
[
9,
39
],
[
39,
40
]
] | [
"S=input()\n\nT=\"\"\nfor s in S:\n if s==\"B\":\n if T:\n T=T[:-1]\n else:\n T+=s\nprint(T)",
"S=input()",
"S",
"input()",
"input",
"T=\"\"",
"T",
"\"\"",
"for s in S:\n if s==\"B\":\n if T:\n T=T[:-1]\n else:\n T+=s",
"s",
"S",
"if s==\"B\":\n if T:\n T=T[:-1]\n else:\n T+=s",
"s==\"B\"",
"s",
"\"B\"",
"if T:\n T=T[:-1]\n ",
"T",
"T=T[:-1]",
"T",
"T[:-1]",
"T",
":-1",
"-1",
"T+=s",
"T",
"s",
"print(T)",
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"T",
"T=\"\"",
"\"\"",
"T",
"T=T[:-1]",
"T[:-1]",
"T",
"S=input()",
"input()",
"S",
"T+=s",
"s",
"T"
] | S=input()
T=""
for s in S:
if s=="B":
if T:
T=T[:-1]
else:
T+=s
print(T)
|
[
7,
15,
13,
12,
13,
17,
41,
28,
13,
4,
13,
4,
13,
0,
13,
4,
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13,
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18,
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13,
13,
4,
13,
4,
18,
17,
13,
4,
13,
13,
14,
2,
13,
17,
4,
13,
10,
12,
13
] | [
[
9,
8
],
[
8,
12
],
[
15,
14
],
[
22,
21
],
[
32,
31
],
[
14,
34
],
[
31,
38
],
[
21,
42
],
[
21,
46
],
[
31,
48
],
[
21,
57
],
[
66,
63
]
] | [
"import collections\n\ndef resolve():\n '''\n code here\n '''\n s = collections.deque([item for item in input()])\n que = collections.deque()\n\n while s:\n try:\n temp = s.popleft()\n if temp == 'B':\n que.pop()\n else:\n que.append(temp)\n except:\n pass\n\n print(''.join(list(que)))\n\n\nif __name__ == \"__main__\":\n resolve()",
"import collections",
"collections",
"def resolve():\n '''\n code here\n '''\n s = collections.deque([item for item in input()])\n que = collections.deque()\n\n while s:\n try:\n temp = s.popleft()\n if temp == 'B':\n que.pop()\n else:\n que.append(temp)\n except:\n pass\n\n print(''.join(list(que)))",
"resolve",
"'''\n code here\n '''",
"item for item in input()",
"for item in input()",
"item",
"input()",
"input",
"for item in input()",
"item",
"s = collections.deque([item for item in input()])",
"s",
"collections.deque([item for item in input()])",
"collections.deque",
"collections",
"deque",
"[item for item in input()]",
"que = collections.deque()",
"que",
"collections.deque()",
"collections.deque",
"collections",
"deque",
"while s:\n try:\n temp = s.popleft()\n if temp == 'B':\n que.pop()\n else:\n que.append(temp)\n except:\n pass\n\n ",
"s",
"try:\n temp = s.popleft()\n if temp == 'B':\n que.pop()\n else:\n que.append(temp)\n except:\n pass\n\n ",
"except:\n pass\n\n ",
"temp = s.popleft()",
"temp",
"s.popleft()",
"s.popleft",
"s",
"popleft",
"if temp == 'B':\n que.pop()\n else:\n que.append(temp)\n ",
"temp == 'B'",
"temp",
"'B'",
"que.pop()",
"que.pop",
"que",
"pop",
"que.append(temp)",
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"que",
"if __name__ == \"__main__\":\n resolve()",
"__name__ == \"__main__\"",
"__name__",
"\"__main__\"",
"resolve()",
"resolve",
"def resolve():\n '''\n code here\n '''\n s = collections.deque([item for item in input()])\n que = collections.deque()\n\n while s:\n try:\n temp = s.popleft()\n if temp == 'B':\n que.pop()\n else:\n que.append(temp)\n except:\n pass\n\n print(''.join(list(que)))",
"def resolve():\n '''\n code here\n '''\n s = collections.deque([item for item in input()])\n que = collections.deque()\n\n while s:\n try:\n temp = s.popleft()\n if temp == 'B':\n que.pop()\n else:\n que.append(temp)\n except:\n pass\n\n print(''.join(list(que)))",
"resolve"
] | import collections
def resolve():
'''
code here
'''
s = collections.deque([item for item in input()])
que = collections.deque()
while s:
try:
temp = s.popleft()
if temp == 'B':
que.pop()
else:
que.append(temp)
except:
pass
print(''.join(list(que)))
if __name__ == "__main__":
resolve()
|
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
14,
40,
2,
13,
17,
0,
13,
18,
13,
39,
17,
0,
13,
2,
13,
13,
4,
13,
13,
10,
2,
13,
10,
4,
13,
10,
17,
13,
10,
18,
13
] | [
[
38,
2
],
[
41,
6
],
[
10,
9
],
[
39,
9
],
[
9,
13
],
[
42,
18
],
[
36,
18
],
[
45,
18
],
[
44,
21
],
[
42,
23
],
[
36,
23
],
[
45,
23
],
[
35,
27
],
[
42,
29
],
[
36,
29
],
[
45,
29
],
[
9,
30
],
[
36,
33
],
[
45,
33
],
[
42,
33
],
[
35,
36
],
[
38,
39
],
[
41,
42
],
[
44,
45
]
] | [
"s = input()\nans = \"\"\n\nfor i in s:\n if i == \"B\":\n if not ans == \"\":\n ans = ans[:-1]\n else:\n ans = ans + i\n\nprint(ans)",
"s = input()",
"s",
"input()",
"input",
"ans = \"\"",
"ans",
"\"\"",
"for i in s:\n if i == \"B\":\n if not ans == \"\":\n ans = ans[:-1]\n else:\n ans = ans + i",
"i",
"s",
"if i == \"B\":\n if not ans == \"\":\n ans = ans[:-1]\n else:\n ans = ans + i",
"i == \"B\"",
"i",
"\"B\"",
"if not ans == \"\":\n ans = ans[:-1]\n ",
"not ans == \"\"",
"ans == \"\"",
"ans",
"\"\"",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"ans = ans + i",
"ans",
"ans + i",
"ans",
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"ans",
"s = input()",
"input()",
"s",
"ans = \"\"",
"\"\"",
"ans",
"ans = ans[:-1]",
"ans[:-1]",
"ans"
] | s = input()
ans = ""
for i in s:
if i == "B":
if not ans == "":
ans = ans[:-1]
else:
ans = ans + i
print(ans) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
14,
40,
4,
13,
13,
17,
24,
18,
13,
2,
4,
13,
13,
17,
4,
18,
13,
13,
18,
13,
13,
4,
13,
4,
18,
17,
13,
4,
13,
13,
13,
10,
39,
13,
10,
4,
13
] | [
[
56,
2
],
[
53,
6
],
[
10,
9
],
[
57,
14
],
[
57,
18
],
[
9,
19
],
[
54,
25
],
[
54,
29
],
[
54,
33
],
[
54,
37
],
[
57,
40
],
[
9,
41
],
[
54,
51
],
[
53,
54
],
[
56,
57
]
] | [
"S=input()\nans = []\nfor i in range(len(S)):\n if S[i] == \"B\":\n if len(ans) != 0:\n del ans[len(ans)-1]\n else:\n ans.append(S[i])\nprint(\"\".join(map(str,ans)))",
"S=input()",
"S",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for i in range(len(S)):\n if S[i] == \"B\":\n if len(ans) != 0:\n del ans[len(ans)-1]\n else:\n ans.append(S[i])",
"i",
"range(len(S))",
"range",
"len(S)",
"len",
"S",
"if S[i] == \"B\":\n if len(ans) != 0:\n del ans[len(ans)-1]\n else:\n ans.append(S[i])",
"S[i] == \"B\"",
"S[i]",
"S",
"i",
"\"B\"",
"if len(ans) != 0:\n del ans[len(ans)-1]\n ",
"len(ans) != 0",
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"map(str,ans)",
"map",
"str",
"ans",
"ans = []",
"[]",
"ans",
"S=input()",
"input()",
"S"
] | S=input()
ans = []
for i in range(len(S)):
if S[i] == "B":
if len(ans) != 0:
del ans[len(ans)-1]
else:
ans.append(S[i])
print("".join(map(str,ans))) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
4,
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2,
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2,
4,
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9,
24,
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13,
17,
28,
13,
13,
4,
13,
13,
0,
13,
17,
10,
4,
13,
10,
39,
13
] | [
[
52,
2
],
[
55,
8
],
[
12,
11
],
[
53,
11
],
[
11,
15
],
[
56,
19
],
[
11,
24
],
[
56,
28
],
[
56,
35
],
[
56,
40
],
[
44,
43
],
[
56,
43
],
[
43,
47
],
[
50,
49
],
[
52,
53
],
[
55,
56
]
] | [
"s = list(input())\nans = []\nfor i in s:\n if i == \"1\":\n ans.append(1)\n elif i == \"0\":\n ans.append(0)\n else:\n if len(ans) == 0:\n continue\n else:\n del ans[-1]\nfor i in ans:\n print(i,end = \"\")",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for i in s:\n if i == \"1\":\n ans.append(1)\n elif i == \"0\":\n ans.append(0)\n else:\n if len(ans) == 0:\n continue\n else:\n del ans[-1]",
"i",
"s",
"if i == \"1\":\n ans.append(1)\n elif i == \"0\":\n ans.append(0)\n else:\n if len(ans) == 0:\n continue\n else:\n del ans[-1]",
"i == \"1\"",
"i",
"\"1\"",
"ans.append(1)",
"ans.append",
"ans",
"append",
"1",
"elif i == \"0\":\n ans.append(0)\n ",
"i == \"0\"",
"i",
"\"0\"",
"ans.append(0)",
"ans.append",
"ans",
"append",
"0",
"if len(ans) == 0:\n continue\n else:\n del ans[-1]",
"len(ans) == 0",
"len(ans)",
"len",
"ans",
"0",
"continue",
"del ans[-1]",
"ans[-1]",
"ans",
"-1",
"for i in ans:\n print(i,end = \"\")",
"i",
"ans",
"print(i,end = \"\")",
"print",
"i",
"end = \"\"",
"end",
"\"\"",
"s = list(input())",
"list(input())",
"s",
"ans = []",
"[]",
"ans"
] | s = list(input())
ans = []
for i in s:
if i == "1":
ans.append(1)
elif i == "0":
ans.append(0)
else:
if len(ans) == 0:
continue
else:
del ans[-1]
for i in ans:
print(i,end = "") |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
2,
2,
18,
13,
13,
17,
2,
18,
13,
13,
17,
4,
18,
13,
13,
18,
13,
13,
0,
13,
18,
13,
39,
17,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13,
10,
18,
13
] | [
[
48,
2
],
[
51,
6
],
[
10,
9
],
[
49,
14
],
[
49,
19
],
[
9,
20
],
[
49,
24
],
[
9,
25
],
[
52,
29
],
[
55,
29
],
[
49,
32
],
[
9,
33
],
[
54,
35
],
[
52,
37
],
[
55,
37
],
[
55,
46
],
[
52,
46
],
[
48,
49
],
[
51,
52
],
[
54,
55
]
] | [
"s = input()\nans = []\n\nfor i in range(len(s)):\n if s[i] == '0' or s[i]=='1':\n ans.append(s[i])\n else:\n ans = ans[:-1]\nprint(''.join(ans))\n",
"s = input()",
"s",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for i in range(len(s)):\n if s[i] == '0' or s[i]=='1':\n ans.append(s[i])\n else:\n ans = ans[:-1]",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] == '0' or s[i]=='1':\n ans.append(s[i])\n else:\n ans = ans[:-1]",
"s[i] == '0' or s[i]=='1'",
"s[i] == '0'",
"s[i]",
"s",
"i",
"'0'",
"s[i]=='1'",
"s[i]",
"s",
"i",
"'1'",
"ans.append(s[i])",
"ans.append",
"ans",
"append",
"s[i]",
"s",
"i",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"s = input()",
"input()",
"s",
"ans = []",
"[]",
"ans",
"ans = ans[:-1]",
"ans[:-1]",
"ans"
] | s = input()
ans = []
for i in range(len(s)):
if s[i] == '0' or s[i]=='1':
ans.append(s[i])
else:
ans = ans[:-1]
print(''.join(ans))
|
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
2,
13,
17,
2,
13,
17,
4,
18,
13,
13,
13,
0,
13,
18,
13,
39,
2,
4,
13,
13,
17,
4,
13,
31,
13,
0,
13,
17,
10,
18,
13,
10,
39,
13,
10,
4,
13
] | [
[
48,
2
],
[
45,
6
],
[
10,
9
],
[
49,
9
],
[
9,
14
],
[
9,
17
],
[
46,
21
],
[
43,
21
],
[
9,
23
],
[
42,
25
],
[
46,
27
],
[
43,
27
],
[
46,
32
],
[
43,
32
],
[
43,
37
],
[
46,
37
],
[
40,
39
],
[
42,
43
],
[
45,
46
],
[
48,
49
]
] | [
"S = input()\nA = []\n\nfor s in S:\n if s==\"0\" or s==\"1\":\n A.append(s)\n else:\n A = A[:len(A)-1]\n \nprint(*A,sep=\"\")",
"S = input()",
"S",
"input()",
"input",
"A = []",
"A",
"[]",
"for s in S:\n if s==\"0\" or s==\"1\":\n A.append(s)\n else:\n A = A[:len(A)-1]\n ",
"s",
"S",
"if s==\"0\" or s==\"1\":\n A.append(s)\n else:\n A = A[:len(A)-1]\n ",
"s==\"0\" or s==\"1\"",
"s==\"0\"",
"s",
"\"0\"",
"s==\"1\"",
"s",
"\"1\"",
"A.append(s)",
"A.append",
"A",
"append",
"s",
"A = A[:len(A)-1]",
"A",
"A[:len(A)-1]",
"A",
":len(A)-1",
"len(A)-1",
"len(A)",
"len",
"A",
"1",
"print(*A,sep=\"\")",
"print",
"*A",
"A",
"sep=\"\"",
"sep",
"\"\"",
"A = A[:len(A)-1]",
"A[:len(A)-1]",
"A",
"A = []",
"[]",
"A",
"S = input()",
"input()",
"S"
] | S = input()
A = []
for s in S:
if s=="0" or s=="1":
A.append(s)
else:
A = A[:len(A)-1]
print(*A,sep="") |
[
7,
12,
13,
0,
13,
4,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
14,
2,
13,
39,
9,
4,
18,
13,
13,
17,
4,
13,
4,
18,
17,
13,
13,
14,
2,
13,
17,
4,
13,
10,
12,
13
] | [
[
5,
4
],
[
9,
8
],
[
12,
11
],
[
4,
16
],
[
4,
20
],
[
11,
21
],
[
8,
25
],
[
4,
31
],
[
11,
32
],
[
8,
36
],
[
4,
42
],
[
11,
43
],
[
8,
47
],
[
8,
52
],
[
8,
61
],
[
70,
67
]
] | [
"def main():\n s=input()\n a=[]\n for i in range(len(s)):\n if s[i]=='0':\n a.append('0')\n elif s[i]=='1':\n a.append('1')\n elif s[i]=='B':\n if a==[]:\n continue\n else:\n a.pop(-1)\n print(''.join(a))\n \n \nif __name__=='__main__':\n main()",
"def main():\n s=input()\n a=[]\n for i in range(len(s)):\n if s[i]=='0':\n a.append('0')\n elif s[i]=='1':\n a.append('1')\n elif s[i]=='B':\n if a==[]:\n continue\n else:\n a.pop(-1)\n print(''.join(a))\n \n ",
"main",
"s=input()",
"s",
"input()",
"input",
"a=[]",
"a",
"[]",
"for i in range(len(s)):\n if s[i]=='0':\n a.append('0')\n elif s[i]=='1':\n a.append('1')\n elif s[i]=='B':\n if a==[]:\n continue\n else:\n a.pop(-1)\n ",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i]=='0':\n a.append('0')\n elif s[i]=='1':\n a.append('1')\n elif s[i]=='B':\n if a==[]:\n continue\n else:\n a.pop(-1)\n ",
"s[i]=='0'",
"s[i]",
"s",
"i",
"'0'",
"a.append('0')",
"a.append",
"a",
"append",
"'0'",
"elif s[i]=='1':\n a.append('1')\n ",
"s[i]=='1'",
"s[i]",
"s",
"i",
"'1'",
"a.append('1')",
"a.append",
"a",
"append",
"'1'",
"elif s[i]=='B':\n if a==[]:\n continue\n else:\n a.pop(-1)\n ",
"s[i]=='B'",
"s[i]",
"s",
"i",
"'B'",
"if a==[]:\n continue\n else:\n a.pop(-1)\n ",
"a==[]",
"a",
"[]",
"continue",
"a.pop(-1)",
"a.pop",
"a",
"pop",
"-1",
"print(''.join(a))",
"print",
"''.join(a)",
"''.join",
"''",
"join",
"a",
"if __name__=='__main__':\n main()",
"__name__=='__main__'",
"__name__",
"'__main__'",
"main()",
"main",
"def main():\n s=input()\n a=[]\n for i in range(len(s)):\n if s[i]=='0':\n a.append('0')\n elif s[i]=='1':\n a.append('1')\n elif s[i]=='B':\n if a==[]:\n continue\n else:\n a.pop(-1)\n print(''.join(a))\n \n ",
"def main():\n s=input()\n a=[]\n for i in range(len(s)):\n if s[i]=='0':\n a.append('0')\n elif s[i]=='1':\n a.append('1')\n elif s[i]=='B':\n if a==[]:\n continue\n else:\n a.pop(-1)\n print(''.join(a))\n \n ",
"main"
] | def main():
s=input()
a=[]
for i in range(len(s)):
if s[i]=='0':
a.append('0')
elif s[i]=='1':
a.append('1')
elif s[i]=='B':
if a==[]:
continue
else:
a.pop(-1)
print(''.join(a))
if __name__=='__main__':
main() |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
2,
13,
17,
2,
13,
17,
4,
18,
13,
13,
13,
14,
2,
13,
17,
14,
40,
13,
9,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
4,
13
] | [
[
47,
2
],
[
44,
6
],
[
10,
9
],
[
48,
9
],
[
9,
14
],
[
9,
17
],
[
45,
21
],
[
9,
23
],
[
9,
26
],
[
45,
30
],
[
45,
34
],
[
45,
42
],
[
44,
45
],
[
47,
48
]
] | [
"S = input()\n\nstack = []\nfor s in S:\n if s == '0' or s == '1':\n stack.append(s)\n if s == 'B':\n if not stack:\n continue\n else:\n stack.pop()\n\nprint(''.join(stack))",
"S = input()",
"S",
"input()",
"input",
"stack = []",
"stack",
"[]",
"for s in S:\n if s == '0' or s == '1':\n stack.append(s)\n if s == 'B':\n if not stack:\n continue\n else:\n stack.pop()",
"s",
"S",
"if s == '0' or s == '1':\n stack.append(s)\n ",
"s == '0' or s == '1'",
"s == '0'",
"s",
"'0'",
"s == '1'",
"s",
"'1'",
"stack.append(s)",
"stack.append",
"stack",
"append",
"s",
"if s == 'B':\n if not stack:\n continue\n else:\n stack.pop()",
"s == 'B'",
"s",
"'B'",
"if not stack:\n continue\n else:\n stack.pop()",
"not stack",
"stack",
"continue",
"stack.pop()",
"stack.pop",
"stack",
"pop",
"print(''.join(stack))",
"print",
"''.join(stack)",
"''.join",
"''",
"join",
"stack",
"stack = []",
"[]",
"stack",
"S = input()",
"input()",
"S"
] | S = input()
stack = []
for s in S:
if s == '0' or s == '1':
stack.append(s)
if s == 'B':
if not stack:
continue
else:
stack.pop()
print(''.join(stack)) |
[
7,
0,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
39,
28,
13,
13,
14,
40,
13,
17,
4,
18,
13,
13,
13,
14,
40,
13,
39,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
4,
13,
10,
39,
13
] | [
[
41,
2
],
[
44,
6
],
[
42,
9
],
[
47,
11
],
[
15,
14
],
[
42,
14
],
[
14,
18
],
[
48,
22
],
[
14,
24
],
[
48,
27
],
[
48,
31
],
[
48,
39
],
[
41,
42
],
[
44,
45
],
[
47,
48
]
] | [
"s = input()\nn = len(s)\n\nans = []\n\nfor i in s:\n if i != \"B\":\n ans.append(i)\n else:\n if ans != []:\n ans.pop()\nprint(\"\".join(ans))",
"s = input()",
"s",
"input()",
"input",
"n = len(s)",
"n",
"len(s)",
"len",
"s",
"ans = []",
"ans",
"[]",
"for i in s:\n if i != \"B\":\n ans.append(i)\n else:\n if ans != []:\n ans.pop()",
"i",
"s",
"if i != \"B\":\n ans.append(i)\n else:\n if ans != []:\n ans.pop()",
"i != \"B\"",
"i",
"\"B\"",
"ans.append(i)",
"ans.append",
"ans",
"append",
"i",
"if ans != []:\n ans.pop()",
"ans != []",
"ans",
"[]",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"print(\"\".join(ans))",
"print",
"\"\".join(ans)",
"\"\".join",
"\"\"",
"join",
"ans",
"s = input()",
"input()",
"s",
"n = len(s)",
"len(s)",
"n",
"ans = []",
"[]",
"ans"
] | s = input()
n = len(s)
ans = []
for i in s:
if i != "B":
ans.append(i)
else:
if ans != []:
ans.pop()
print("".join(ans)) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
17,
13,
10,
18,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13
] | [
[
45,
2
],
[
51,
6
],
[
10,
9
],
[
46,
9
],
[
9,
13
],
[
48,
16
],
[
9,
20
],
[
39,
23
],
[
9,
27
],
[
42,
30
],
[
40,
32
],
[
49,
32
],
[
52,
32
],
[
43,
32
],
[
43,
37
],
[
40,
37
],
[
49,
37
],
[
52,
37
],
[
39,
40
],
[
42,
43
],
[
45,
46
],
[
48,
49
],
[
51,
52
]
] | [
"s = input()\nans = ''\n\nfor char in s:\n if char == '0':\n ans += '0'\n if char == '1':\n ans += '1'\n if char == 'B':\n ans = ans[:-1]\nprint(ans)",
"s = input()",
"s",
"input()",
"input",
"ans = ''",
"ans",
"''",
"for char in s:\n if char == '0':\n ans += '0'\n if char == '1':\n ans += '1'\n if char == 'B':\n ans = ans[:-1]",
"char",
"s",
"if char == '0':\n ans += '0'\n ",
"char == '0'",
"char",
"'0'",
"ans += '0'",
"ans",
"'0'",
"if char == '1':\n ans += '1'\n ",
"char == '1'",
"char",
"'1'",
"ans += '1'",
"ans",
"'1'",
"if char == 'B':\n ans = ans[:-1]",
"char == 'B'",
"char",
"'B'",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(ans)",
"print",
"ans",
"ans += '1'",
"'1'",
"ans",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"s = input()",
"input()",
"s",
"ans += '0'",
"'0'",
"ans",
"ans = ''",
"''",
"ans"
] | s = input()
ans = ''
for char in s:
if char == '0':
ans += '0'
if char == '1':
ans += '1'
if char == 'B':
ans = ans[:-1]
print(ans) |
[
7,
41,
28,
13,
4,
13,
4,
13,
0,
13,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
40,
18,
13,
13,
17,
4,
18,
13,
13,
18,
13,
13,
38,
5,
9,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
13,
13,
10,
39,
13
] | [
[
4,
3
],
[
3,
7
],
[
49,
9
],
[
52,
12
],
[
16,
15
],
[
50,
20
],
[
50,
24
],
[
15,
25
],
[
53,
29
],
[
50,
32
],
[
15,
33
],
[
53,
39
],
[
53,
47
],
[
49,
50
],
[
52,
53
]
] | [
"S=[x for x in input()]\nans=[]\nfor i in range(len(S)):\n if S[i]!='B':\n ans.append(S[i])\n else:\n try:\n ans.pop()\n except:\n continue\nprint(''.join(ans))",
"x for x in input()",
"for x in input()",
"x",
"input()",
"input",
"for x in input()",
"x",
"S=[x for x in input()]",
"S",
"[x for x in input()]",
"ans=[]",
"ans",
"[]",
"for i in range(len(S)):\n if S[i]!='B':\n ans.append(S[i])\n else:\n try:\n ans.pop()\n except:\n continue",
"i",
"range(len(S))",
"range",
"len(S)",
"len",
"S",
"if S[i]!='B':\n ans.append(S[i])\n else:\n try:\n ans.pop()\n except:\n continue",
"S[i]!='B'",
"S[i]",
"S",
"i",
"'B'",
"ans.append(S[i])",
"ans.append",
"ans",
"append",
"S[i]",
"S",
"i",
"try:\n ans.pop()\n except:\n continue",
"except:\n continue",
"continue",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"S=[x for x in input()]",
"[x for x in input()]",
"S",
"ans=[]",
"[]",
"ans"
] | S=[x for x in input()]
ans=[]
for i in range(len(S)):
if S[i]!='B':
ans.append(S[i])
else:
try:
ans.pop()
except:
continue
print(''.join(ans)) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
14,
2,
13,
39,
9,
24,
18,
13,
17,
0,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
13,
13,
10,
4,
13
] | [
[
41,
2
],
[
35,
6
],
[
10,
9
],
[
42,
9
],
[
9,
13
],
[
36,
17
],
[
39,
17
],
[
36,
22
],
[
39,
22
],
[
38,
25
],
[
9,
26
],
[
39,
33
],
[
36,
33
],
[
35,
36
],
[
9,
38
],
[
38,
39
],
[
41,
42
]
] | [
"s = input()\nans =[]\nfor i in s:\n if i == \"B\":\n if ans ==[]:\n continue\n else:\n del ans[-1]\n else:\n ans += i\nprint(\"\".join(ans))",
"s = input()",
"s",
"input()",
"input",
"ans =[]",
"ans",
"[]",
"for i in s:\n if i == \"B\":\n if ans ==[]:\n continue\n else:\n del ans[-1]\n else:\n ans += i",
"i",
"s",
"if i == \"B\":\n if ans ==[]:\n continue\n else:\n del ans[-1]\n else:\n ans += i",
"i == \"B\"",
"i",
"\"B\"",
"if ans ==[]:\n continue\n else:\n del ans[-1]\n ",
"ans ==[]",
"ans",
"[]",
"continue",
"del ans[-1]",
"ans[-1]",
"ans",
"-1",
"ans += i",
"ans",
"i",
"print(\"\".join(ans))",
"print",
"\"\".join(ans)",
"\"\".join",
"\"\"",
"join",
"ans",
"ans =[]",
"[]",
"ans",
"ans += i",
"i",
"ans",
"s = input()",
"input()",
"s"
] | s = input()
ans =[]
for i in s:
if i == "B":
if ans ==[]:
continue
else:
del ans[-1]
else:
ans += i
print("".join(ans)) |
[
7,
0,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
39,
28,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
40,
13,
39,
4,
18,
13,
13,
17,
0,
13,
4,
13,
13,
28,
13,
4,
13,
2,
13,
17,
4,
13,
18,
13,
13,
0,
13,
17,
4,
13,
18,
13,
2,
13,
17,
10,
39,
13,
10,
4,
13,
10,
4,
13,
10,
4,
13
] | [
[
83,
2
],
[
86,
6
],
[
84,
9
],
[
77,
11
],
[
15,
14
],
[
87,
17
],
[
84,
21
],
[
14,
22
],
[
78,
26
],
[
84,
32
],
[
14,
33
],
[
78,
37
],
[
78,
42
],
[
78,
46
],
[
80,
50
],
[
78,
53
],
[
56,
55
],
[
81,
59
],
[
78,
64
],
[
55,
65
],
[
68,
67
],
[
78,
72
],
[
81,
74
],
[
77,
78
],
[
80,
81
],
[
83,
84
],
[
86,
87
]
] | [
"s = input()\nl = len(s)\nans = []\nfor i in range(l):\n\tif s[i]=='0':\n\t\tans.append('0')\n\telif s[i]=='1':\n\t\tans.append('1')\n\telse:\n\t\tif ans!=[]:\n\t\t\tans.pop(-1)\n\nn = len(ans)\nfor i in range(n-1):\n\tprint(ans[i], end=\"\")\nprint(ans[n-1])",
"s = input()",
"s",
"input()",
"input",
"l = len(s)",
"l",
"len(s)",
"len",
"s",
"ans = []",
"ans",
"[]",
"for i in range(l):\n\tif s[i]=='0':\n\t\tans.append('0')\n\telif s[i]=='1':\n\t\tans.append('1')\n\telse:\n\t\tif ans!=[]:\n\t\t\tans.pop(-1)",
"i",
"range(l)",
"range",
"l",
"if s[i]=='0':\n\t\tans.append('0')\n\telif s[i]=='1':\n\t\tans.append('1')\n\telse:\n\t\tif ans!=[]:\n\t\t\tans.pop(-1)",
"s[i]=='0'",
"s[i]",
"s",
"i",
"'0'",
"ans.append('0')",
"ans.append",
"ans",
"append",
"'0'",
"elif s[i]=='1':\n\t\tans.append('1')\n\t",
"s[i]=='1'",
"s[i]",
"s",
"i",
"'1'",
"ans.append('1')",
"ans.append",
"ans",
"append",
"'1'",
"if ans!=[]:\n\t\t\tans.pop(-1)",
"ans!=[]",
"ans",
"[]",
"ans.pop(-1)",
"ans.pop",
"ans",
"pop",
"-1",
"n = len(ans)",
"n",
"len(ans)",
"len",
"ans",
"for i in range(n-1):\n\tprint(ans[i], end=\"\")",
"i",
"range(n-1)",
"range",
"n-1",
"n",
"1",
"print(ans[i], end=\"\")",
"print",
"ans[i]",
"ans",
"i",
"end=\"\"",
"end",
"\"\"",
"print(ans[n-1])",
"print",
"ans[n-1]",
"ans",
"n-1",
"n",
"1",
"ans = []",
"[]",
"ans",
"n = len(ans)",
"len(ans)",
"n",
"s = input()",
"input()",
"s",
"l = len(s)",
"len(s)",
"l"
] | s = input()
l = len(s)
ans = []
for i in range(l):
if s[i]=='0':
ans.append('0')
elif s[i]=='1':
ans.append('1')
else:
if ans!=[]:
ans.pop(-1)
n = len(ans)
for i in range(n-1):
print(ans[i], end="")
print(ans[n-1])
|
[
7,
0,
13,
4,
13,
4,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
2,
13,
17,
14,
2,
13,
17,
0,
13,
2,
13,
17,
14,
2,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
18,
13,
10,
4,
13,
10,
2,
13,
10,
17,
13,
10,
2,
13
] | [
[
50,
2
],
[
56,
10
],
[
14,
13
],
[
51,
13
],
[
13,
17
],
[
59,
20
],
[
57,
22
],
[
48,
22
],
[
54,
22
],
[
60,
22
],
[
13,
26
],
[
53,
29
],
[
57,
31
],
[
48,
31
],
[
54,
31
],
[
60,
31
],
[
13,
35
],
[
47,
38
],
[
57,
40
],
[
48,
40
],
[
54,
40
],
[
60,
40
],
[
48,
45
],
[
54,
45
],
[
60,
45
],
[
57,
45
],
[
47,
48
],
[
50,
51
],
[
53,
54
],
[
56,
57
],
[
59,
60
]
] | [
"s = list(str(input()))\nanswer = \"\"\n\nfor i in s:\n if i == \"0\":\n answer = answer + \"0\"\n\n elif i == \"1\":\n answer = answer + \"1\"\n\n elif i == \"B\":\n answer = answer[:-1]\n\nprint(answer)",
"s = list(str(input()))",
"s",
"list(str(input()))",
"list",
"str(input())",
"str",
"input()",
"input",
"answer = \"\"",
"answer",
"\"\"",
"for i in s:\n if i == \"0\":\n answer = answer + \"0\"\n\n elif i == \"1\":\n answer = answer + \"1\"\n\n elif i == \"B\":\n answer = answer[:-1]",
"i",
"s",
"if i == \"0\":\n answer = answer + \"0\"\n\n elif i == \"1\":\n answer = answer + \"1\"\n\n elif i == \"B\":\n answer = answer[:-1]",
"i == \"0\"",
"i",
"\"0\"",
"answer = answer + \"0\"",
"answer",
"answer + \"0\"",
"answer",
"\"0\"",
"elif i == \"1\":\n answer = answer + \"1\"\n\n ",
"i == \"1\"",
"i",
"\"1\"",
"answer = answer + \"1\"",
"answer",
"answer + \"1\"",
"answer",
"\"1\"",
"elif i == \"B\":\n answer = answer[:-1]",
"i == \"B\"",
"i",
"\"B\"",
"answer = answer[:-1]",
"answer",
"answer[:-1]",
"answer",
":-1",
"-1",
"print(answer)",
"print",
"answer",
"answer = answer[:-1]",
"answer[:-1]",
"answer",
"s = list(str(input()))",
"list(str(input()))",
"s",
"answer = answer + \"1\"",
"answer + \"1\"",
"answer",
"answer = \"\"",
"\"\"",
"answer",
"answer = answer + \"0\"",
"answer + \"0\"",
"answer"
] | s = list(str(input()))
answer = ""
for i in s:
if i == "0":
answer = answer + "0"
elif i == "1":
answer = answer + "1"
elif i == "B":
answer = answer[:-1]
print(answer)
|
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
13,
14,
13,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
34,
2
],
[
37,
6
],
[
10,
9
],
[
35,
9
],
[
9,
13
],
[
38,
17
],
[
9,
19
],
[
38,
24
],
[
38,
32
],
[
34,
35
],
[
37,
38
]
] | [
"s=input()\nstk=[]\nfor c in s:\n if c in '01':\n stk.append(c)\n elif stk:\n stk.pop()\n \nprint(''.join(stk))",
"s=input()",
"s",
"input()",
"input",
"stk=[]",
"stk",
"[]",
"for c in s:\n if c in '01':\n stk.append(c)\n elif stk:\n stk.pop()\n ",
"c",
"s",
"if c in '01':\n stk.append(c)\n elif stk:\n stk.pop()\n ",
"c in '01'",
"c",
"'01'",
"stk.append(c)",
"stk.append",
"stk",
"append",
"c",
"elif stk:\n stk.pop()\n ",
"stk",
"stk.pop()",
"stk.pop",
"stk",
"pop",
"print(''.join(stk))",
"print",
"''.join(stk)",
"''.join",
"''",
"join",
"stk",
"s=input()",
"input()",
"s",
"stk=[]",
"[]",
"stk"
] | s=input()
stk=[]
for c in s:
if c in '01':
stk.append(c)
elif stk:
stk.pop()
print(''.join(stk)) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
40,
13,
17,
0,
13,
13,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
4,
13,
10,
13,
13,
10,
17,
13,
10,
18,
13
] | [
[
28,
2
],
[
34,
6
],
[
10,
9
],
[
29,
9
],
[
9,
13
],
[
31,
16
],
[
9,
17
],
[
37,
19
],
[
35,
21
],
[
38,
21
],
[
32,
21
],
[
38,
26
],
[
32,
26
],
[
35,
26
],
[
28,
29
],
[
9,
31
],
[
31,
32
],
[
34,
35
],
[
37,
38
]
] | [
"i = input()\nans = \"\"\nfor s in i:\n if s != \"B\":\n ans += s\n else:\n ans = ans[:-1]\n \nprint(ans)",
"i = input()",
"i",
"input()",
"input",
"ans = \"\"",
"ans",
"\"\"",
"for s in i:\n if s != \"B\":\n ans += s\n else:\n ans = ans[:-1]\n ",
"s",
"i",
"if s != \"B\":\n ans += s\n else:\n ans = ans[:-1]\n ",
"s != \"B\"",
"s",
"\"B\"",
"ans += s",
"ans",
"s",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(ans)",
"print",
"ans",
"i = input()",
"input()",
"i",
"ans += s",
"s",
"ans",
"ans = \"\"",
"\"\"",
"ans",
"ans = ans[:-1]",
"ans[:-1]",
"ans"
] | i = input()
ans = ""
for s in i:
if s != "B":
ans += s
else:
ans = ans[:-1]
print(ans) |
[
7,
15,
0,
13,
4,
13,
0,
13,
39,
0,
13,
4,
13,
13,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
40,
4,
13,
13,
17,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13,
10,
4,
13
] | [
[
53,
3
],
[
56,
7
],
[
59,
10
],
[
57,
13
],
[
16,
15
],
[
54,
15
],
[
15,
19
],
[
60,
23
],
[
57,
23
],
[
15,
28
],
[
60,
32
],
[
57,
32
],
[
60,
39
],
[
57,
39
],
[
60,
43
],
[
57,
43
],
[
60,
51
],
[
57,
51
],
[
53,
54
],
[
56,
57
],
[
59,
60
]
] | [
"from collections import deque\nS=input()\nans=[]\nans=deque(ans)\nfor letter in S:\n if letter=='0':\n ans.append('0')\n elif letter=='1':\n ans.append('1')\n else:\n if len(ans)!=0:\n ans.pop()\n\nprint(''.join(ans))",
"from collections import deque",
"S=input()",
"S",
"input()",
"input",
"ans=[]",
"ans",
"[]",
"ans=deque(ans)",
"ans",
"deque(ans)",
"deque",
"ans",
"for letter in S:\n if letter=='0':\n ans.append('0')\n elif letter=='1':\n ans.append('1')\n else:\n if len(ans)!=0:\n ans.pop()",
"letter",
"S",
"if letter=='0':\n ans.append('0')\n elif letter=='1':\n ans.append('1')\n else:\n if len(ans)!=0:\n ans.pop()",
"letter=='0'",
"letter",
"'0'",
"ans.append('0')",
"ans.append",
"ans",
"append",
"'0'",
"elif letter=='1':\n ans.append('1')\n ",
"letter=='1'",
"letter",
"'1'",
"ans.append('1')",
"ans.append",
"ans",
"append",
"'1'",
"if len(ans)!=0:\n ans.pop()",
"len(ans)!=0",
"len(ans)",
"len",
"ans",
"0",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"S=input()",
"input()",
"S",
"ans=[]",
"[]",
"ans",
"ans=deque(ans)",
"deque(ans)",
"ans"
] | from collections import deque
S=input()
ans=[]
ans=deque(ans)
for letter in S:
if letter=='0':
ans.append('0')
elif letter=='1':
ans.append('1')
else:
if len(ans)!=0:
ans.pop()
print(''.join(ans)) |
[
7,
15,
0,
13,
4,
13,
0,
13,
4,
13,
39,
28,
13,
13,
14,
2,
2,
13,
17,
40,
4,
13,
13,
17,
4,
18,
13,
13,
14,
2,
2,
13,
17,
2,
13,
17,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
4,
13
] | [
[
52,
3
],
[
49,
7
],
[
13,
12
],
[
53,
12
],
[
12,
17
],
[
50,
22
],
[
50,
26
],
[
12,
31
],
[
12,
34
],
[
50,
38
],
[
12,
40
],
[
50,
47
],
[
49,
50
],
[
52,
53
]
] | [
"#33 B - バイナリハックイージー\nfrom collections import deque\nS = input()\n\nans = deque([])\nfor s in S:\n if s == 'B' and len(ans) >= 1:\n ans.pop()\n elif s == '0' or s == '1':\n ans.append(s)\nprint(''.join(ans)) ",
"from collections import deque",
"S = input()",
"S",
"input()",
"input",
"ans = deque([])",
"ans",
"deque([])",
"deque",
"[]",
"for s in S:\n if s == 'B' and len(ans) >= 1:\n ans.pop()\n elif s == '0' or s == '1':\n ans.append(s)",
"s",
"S",
"if s == 'B' and len(ans) >= 1:\n ans.pop()\n elif s == '0' or s == '1':\n ans.append(s)",
"s == 'B' and len(ans) >= 1",
"s == 'B'",
"s",
"'B'",
"len(ans) >= 1",
"len(ans)",
"len",
"ans",
"1",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"elif s == '0' or s == '1':\n ans.append(s)",
"s == '0' or s == '1'",
"s == '0'",
"s",
"'0'",
"s == '1'",
"s",
"'1'",
"ans.append(s)",
"ans.append",
"ans",
"append",
"s",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"ans = deque([])",
"deque([])",
"ans",
"S = input()",
"input()",
"S"
] | #33 B - バイナリハックイージー
from collections import deque
S = input()
ans = deque([])
for s in S:
if s == 'B' and len(ans) >= 1:
ans.pop()
elif s == '0' or s == '1':
ans.append(s)
print(''.join(ans)) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
0,
13,
17,
14,
2,
18,
13,
13,
17,
0,
13,
17,
14,
2,
13,
17,
9,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
17,
13,
10,
18,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13
] | [
[
54,
2
],
[
48,
6
],
[
10,
9
],
[
55,
14
],
[
55,
18
],
[
9,
19
],
[
60,
22
],
[
55,
27
],
[
9,
28
],
[
57,
31
],
[
49,
35
],
[
52,
35
],
[
58,
35
],
[
61,
35
],
[
51,
39
],
[
49,
41
],
[
52,
41
],
[
58,
41
],
[
61,
41
],
[
52,
46
],
[
58,
46
],
[
61,
46
],
[
49,
46
],
[
48,
49
],
[
51,
52
],
[
54,
55
],
[
57,
58
],
[
60,
61
]
] | [
"s = input()\nans = ''\nfor i in range(len(s)):\n if s[i] == '0':\n ans += '0'\n elif s[i] == '1':\n ans += '1'\n else:\n if ans == '':\n continue\n else:\n ans = ans[:-1]\nprint(ans)",
"s = input()",
"s",
"input()",
"input",
"ans = ''",
"ans",
"''",
"for i in range(len(s)):\n if s[i] == '0':\n ans += '0'\n elif s[i] == '1':\n ans += '1'\n else:\n if ans == '':\n continue\n else:\n ans = ans[:-1]",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] == '0':\n ans += '0'\n elif s[i] == '1':\n ans += '1'\n else:\n if ans == '':\n continue\n else:\n ans = ans[:-1]",
"s[i] == '0'",
"s[i]",
"s",
"i",
"'0'",
"ans += '0'",
"ans",
"'0'",
"elif s[i] == '1':\n ans += '1'\n ",
"s[i] == '1'",
"s[i]",
"s",
"i",
"'1'",
"ans += '1'",
"ans",
"'1'",
"if ans == '':\n continue\n else:\n ans = ans[:-1]",
"ans == ''",
"ans",
"''",
"continue",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(ans)",
"print",
"ans",
"ans = ''",
"''",
"ans",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"s = input()",
"input()",
"s",
"ans += '1'",
"'1'",
"ans",
"ans += '0'",
"'0'",
"ans"
] | s = input()
ans = ''
for i in range(len(s)):
if s[i] == '0':
ans += '0'
elif s[i] == '1':
ans += '1'
else:
if ans == '':
continue
else:
ans = ans[:-1]
print(ans) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
40,
18,
13,
13,
17,
4,
18,
13,
13,
18,
13,
13,
14,
2,
4,
13,
13,
17,
0,
13,
18,
13,
39,
17,
28,
13,
4,
13,
4,
13,
13,
4,
13,
18,
13,
13,
0,
13,
17,
10,
18,
13,
10,
39,
13,
10,
4,
13
] | [
[
62,
2
],
[
59,
6
],
[
10,
9
],
[
63,
14
],
[
63,
18
],
[
9,
19
],
[
60,
23
],
[
57,
23
],
[
63,
26
],
[
9,
27
],
[
60,
32
],
[
57,
32
],
[
56,
35
],
[
60,
37
],
[
57,
37
],
[
42,
41
],
[
57,
46
],
[
60,
46
],
[
57,
50
],
[
60,
50
],
[
41,
51
],
[
54,
53
],
[
56,
57
],
[
59,
60
],
[
62,
63
]
] | [
"#k = int(input())\n#s = input()\n#a, b = map(int, input().split())\n#s, t = map(str, input().split())\n#l = list(map(int, input().split()))\n#l = [list(map(int,input().split())) for i in range(n)]\n\n\ns = input()\n\nans = []\n\nfor i in range(len(s)):\n if s[i] != \"B\":\n ans.append(s[i])\n else:\n if (len(ans) > 0):\n ans = ans[:-1]\n\nfor i in range(len(ans)):\n print(ans[i], end=\"\")\n\n",
"s = input()",
"s",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for i in range(len(s)):\n if s[i] != \"B\":\n ans.append(s[i])\n else:\n if (len(ans) > 0):\n ans = ans[:-1]",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] != \"B\":\n ans.append(s[i])\n else:\n if (len(ans) > 0):\n ans = ans[:-1]",
"s[i] != \"B\"",
"s[i]",
"s",
"i",
"\"B\"",
"ans.append(s[i])",
"ans.append",
"ans",
"append",
"s[i]",
"s",
"i",
"if (len(ans) > 0):\n ans = ans[:-1]",
"len(ans) > 0",
"len(ans)",
"len",
"ans",
"0",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"for i in range(len(ans)):\n print(ans[i], end=\"\")",
"i",
"range(len(ans))",
"range",
"len(ans)",
"len",
"ans",
"print(ans[i], end=\"\")",
"print",
"ans[i]",
"ans",
"i",
"end=\"\"",
"end",
"\"\"",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"ans = []",
"[]",
"ans",
"s = input()",
"input()",
"s"
] | #k = int(input())
#s = input()
#a, b = map(int, input().split())
#s, t = map(str, input().split())
#l = list(map(int, input().split()))
#l = [list(map(int,input().split())) for i in range(n)]
s = input()
ans = []
for i in range(len(s)):
if s[i] != "B":
ans.append(s[i])
else:
if (len(ans) > 0):
ans = ans[:-1]
for i in range(len(ans)):
print(ans[i], end="")
|
[
7,
15,
15,
15,
13,
15,
13,
12,
13,
29,
4,
13,
4,
13,
12,
13,
29,
4,
13,
4,
13,
13,
4,
18,
4,
13,
13,
12,
13,
29,
4,
13,
12,
13,
29,
4,
18,
4,
13,
13,
0,
13,
4,
13,
28,
13,
4,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
13,
4,
18,
13,
13,
42,
13,
4,
13,
4,
18,
13,
13,
0,
13,
17,
4,
13,
10,
12,
13,
10,
12,
13,
10,
4,
13,
10,
12,
13,
10,
12,
13
] | [
[
92,
41
],
[
46,
45
],
[
45,
50
],
[
93,
54
],
[
45,
59
],
[
93,
63
],
[
93,
70
],
[
93,
78
],
[
82,
81
],
[
92,
93
]
] | [
"from collections import defaultdict\nfrom collections import deque\nimport itertools\nimport math\n\ndef readInt():\n return int(input())\ndef readInts():\n return list(map(int, input().split()))\ndef readChar():\n return input()\ndef readChars():\n return input().split()\n\nd = deque()\n\nfor i in input():\n if i==\"0\":\n d.append(\"0\")\n elif i==\"1\":\n d.append(\"1\")\n elif d:\n d.pop()\n\nwhile d:\n print(d.popleft(),end=\"\")\nprint()",
"from collections import defaultdict",
"from collections import deque",
"import itertools",
"itertools",
"import math",
"math",
"def readInt():\n return int(input())",
"readInt",
"return int(input())",
"int(input())",
"int",
"input()",
"input",
"def readInts():\n return list(map(int, input().split()))",
"readInts",
"return list(map(int, input().split()))",
"list(map(int, input().split()))",
"list",
"map(int, input().split())",
"map",
"int",
"input().split()",
"().split",
"()",
"input",
"split",
"def readChar():\n return input()",
"readChar",
"return input()",
"input()",
"input",
"def readChars():\n return input().split()",
"readChars",
"return input().split()",
"input().split()",
"().split",
"()",
"input",
"split",
"d = deque()",
"d",
"deque()",
"deque",
"for i in input():\n if i==\"0\":\n d.append(\"0\")\n elif i==\"1\":\n d.append(\"1\")\n elif d:\n d.pop()",
"i",
"input()",
"input",
"if i==\"0\":\n d.append(\"0\")\n elif i==\"1\":\n d.append(\"1\")\n elif d:\n d.pop()",
"i==\"0\"",
"i",
"\"0\"",
"d.append(\"0\")",
"d.append",
"d",
"append",
"\"0\"",
"elif i==\"1\":\n d.append(\"1\")\n ",
"i==\"1\"",
"i",
"\"1\"",
"d.append(\"1\")",
"d.append",
"d",
"append",
"\"1\"",
"elif d:\n d.pop()",
"d",
"d.pop()",
"d.pop",
"d",
"pop",
"while d:\n print(d.popleft(),end=\"\")",
"d",
"print(d.popleft(),end=\"\")",
"print",
"d.popleft()",
"d.popleft",
"d",
"popleft",
"end=\"\"",
"end",
"\"\"",
"print()",
"print",
"def readInts():\n return list(map(int, input().split()))",
"def readInts():\n return list(map(int, input().split()))",
"readInts",
"def readChar():\n return input()",
"def readChar():\n return input()",
"readChar",
"d = deque()",
"deque()",
"d",
"def readInt():\n return int(input())",
"def readInt():\n return int(input())",
"readInt",
"def readChars():\n return input().split()",
"def readChars():\n return input().split()",
"readChars"
] | from collections import defaultdict
from collections import deque
import itertools
import math
def readInt():
return int(input())
def readInts():
return list(map(int, input().split()))
def readChar():
return input()
def readChars():
return input().split()
d = deque()
for i in input():
if i=="0":
d.append("0")
elif i=="1":
d.append("1")
elif d:
d.pop()
while d:
print(d.popleft(),end="")
print() |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
4,
13,
13,
17,
4,
18,
13,
13,
4,
13,
31,
13,
0,
13,
17,
10,
39,
13,
10,
4,
13
] | [
[
50,
2
],
[
47,
6
],
[
10,
9
],
[
51,
9
],
[
9,
13
],
[
48,
17
],
[
9,
22
],
[
48,
26
],
[
48,
33
],
[
48,
37
],
[
48,
42
],
[
45,
44
],
[
47,
48
],
[
50,
51
]
] | [
"s = input()\nt = []\n\nfor x in s:\n if x == \"0\":\n t.append(\"0\")\n elif x == \"1\":\n t.append(\"1\")\n else:\n if len(t) > 0:\n t.pop()\nprint(*t,sep='')",
"s = input()",
"s",
"input()",
"input",
"t = []",
"t",
"[]",
"for x in s:\n if x == \"0\":\n t.append(\"0\")\n elif x == \"1\":\n t.append(\"1\")\n else:\n if len(t) > 0:\n t.pop()",
"x",
"s",
"if x == \"0\":\n t.append(\"0\")\n elif x == \"1\":\n t.append(\"1\")\n else:\n if len(t) > 0:\n t.pop()",
"x == \"0\"",
"x",
"\"0\"",
"t.append(\"0\")",
"t.append",
"t",
"append",
"\"0\"",
"elif x == \"1\":\n t.append(\"1\")\n ",
"x == \"1\"",
"x",
"\"1\"",
"t.append(\"1\")",
"t.append",
"t",
"append",
"\"1\"",
"if len(t) > 0:\n t.pop()",
"len(t) > 0",
"len(t)",
"len",
"t",
"0",
"t.pop()",
"t.pop",
"t",
"pop",
"print(*t,sep='')",
"print",
"*t",
"t",
"sep=''",
"sep",
"''",
"t = []",
"[]",
"t",
"s = input()",
"input()",
"s"
] | s = input()
t = []
for x in s:
if x == "0":
t.append("0")
elif x == "1":
t.append("1")
else:
if len(t) > 0:
t.pop()
print(*t,sep='') |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
2,
13,
17,
2,
13,
17,
0,
13,
13,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
13,
13,
10,
18,
13,
10,
17,
13,
10,
4,
13
] | [
[
41,
2
],
[
38,
6
],
[
10,
9
],
[
42,
9
],
[
9,
14
],
[
9,
17
],
[
32,
20
],
[
9,
21
],
[
35,
23
],
[
39,
25
],
[
36,
25
],
[
33,
25
],
[
36,
30
],
[
33,
30
],
[
39,
30
],
[
9,
32
],
[
32,
33
],
[
35,
36
],
[
38,
39
],
[
41,
42
]
] | [
"s = input()\nnew_s = \"\"\n\nfor i in s:\n if i == \"0\" or i == \"1\":\n new_s += i\n else:\n new_s = new_s[:-1]\nprint(new_s)",
"s = input()",
"s",
"input()",
"input",
"new_s = \"\"",
"new_s",
"\"\"",
"for i in s:\n if i == \"0\" or i == \"1\":\n new_s += i\n else:\n new_s = new_s[:-1]",
"i",
"s",
"if i == \"0\" or i == \"1\":\n new_s += i\n else:\n new_s = new_s[:-1]",
"i == \"0\" or i == \"1\"",
"i == \"0\"",
"i",
"\"0\"",
"i == \"1\"",
"i",
"\"1\"",
"new_s += i",
"new_s",
"i",
"new_s = new_s[:-1]",
"new_s",
"new_s[:-1]",
"new_s",
":-1",
"-1",
"print(new_s)",
"print",
"new_s",
"new_s += i",
"i",
"new_s",
"new_s = new_s[:-1]",
"new_s[:-1]",
"new_s",
"new_s = \"\"",
"\"\"",
"new_s",
"s = input()",
"input()",
"s"
] | s = input()
new_s = ""
for i in s:
if i == "0" or i == "1":
new_s += i
else:
new_s = new_s[:-1]
print(new_s) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
39,
28,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
14,
40,
13,
39,
4,
18,
13,
13,
17,
4,
18,
13,
13,
18,
13,
13,
0,
13,
17,
28,
13,
13,
0,
13,
2,
13,
13,
4,
13,
13,
10,
4,
13,
10,
17,
13,
10,
4,
13,
10,
39,
13,
10,
2,
13
] | [
[
57,
2
],
[
63,
8
],
[
58,
11
],
[
66,
13
],
[
17,
16
],
[
64,
19
],
[
58,
23
],
[
16,
24
],
[
67,
28
],
[
67,
32
],
[
67,
37
],
[
58,
40
],
[
16,
41
],
[
60,
43
],
[
47,
46
],
[
67,
46
],
[
69,
49
],
[
61,
51
],
[
70,
51
],
[
46,
52
],
[
70,
55
],
[
61,
55
],
[
57,
58
],
[
60,
61
],
[
63,
64
],
[
66,
67
],
[
69,
70
]
] | [
"s = list(input())\nw_len = len(s)\nword = []\nfor x in range(w_len):\n if s[x] == 'B':\n if word != []:\n word.pop(-1)\n else:\n word.append(s[x])\nresult = ''\nfor y in word:\n result = result+y\nprint(result)",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"w_len = len(s)",
"w_len",
"len(s)",
"len",
"s",
"word = []",
"word",
"[]",
"for x in range(w_len):\n if s[x] == 'B':\n if word != []:\n word.pop(-1)\n else:\n word.append(s[x])",
"x",
"range(w_len)",
"range",
"w_len",
"if s[x] == 'B':\n if word != []:\n word.pop(-1)\n else:\n word.append(s[x])",
"s[x] == 'B'",
"s[x]",
"s",
"x",
"'B'",
"if word != []:\n word.pop(-1)\n ",
"word != []",
"word",
"[]",
"word.pop(-1)",
"word.pop",
"word",
"pop",
"-1",
"word.append(s[x])",
"word.append",
"word",
"append",
"s[x]",
"s",
"x",
"result = ''",
"result",
"''",
"for y in word:\n result = result+y",
"y",
"word",
"result = result+y",
"result",
"result+y",
"result",
"y",
"print(result)",
"print",
"result",
"s = list(input())",
"list(input())",
"s",
"result = ''",
"''",
"result",
"w_len = len(s)",
"len(s)",
"w_len",
"word = []",
"[]",
"word",
"result = result+y",
"result+y",
"result"
] | s = list(input())
w_len = len(s)
word = []
for x in range(w_len):
if s[x] == 'B':
if word != []:
word.pop(-1)
else:
word.append(s[x])
result = ''
for y in word:
result = result+y
print(result) |
[
7,
15,
0,
13,
4,
13,
0,
13,
4,
13,
28,
13,
13,
14,
2,
2,
13,
17,
40,
4,
13,
13,
17,
4,
18,
13,
13,
14,
2,
2,
13,
17,
2,
13,
17,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
4,
13
] | [
[
51,
3
],
[
48,
7
],
[
12,
11
],
[
52,
11
],
[
11,
16
],
[
49,
21
],
[
49,
25
],
[
11,
30
],
[
11,
33
],
[
49,
37
],
[
11,
39
],
[
49,
46
],
[
48,
49
],
[
51,
52
]
] | [
"from collections import deque\n\nS=input()\nt = deque()\n\nfor s in S:\n if s == 'B' and len(t) !=0:\n t.pop()\n elif s == '1' or s == '0':\n t.append(s)\nprint(''.join(t))",
"from collections import deque",
"S=input()",
"S",
"input()",
"input",
"t = deque()",
"t",
"deque()",
"deque",
"for s in S:\n if s == 'B' and len(t) !=0:\n t.pop()\n elif s == '1' or s == '0':\n t.append(s)",
"s",
"S",
"if s == 'B' and len(t) !=0:\n t.pop()\n elif s == '1' or s == '0':\n t.append(s)",
"s == 'B' and len(t) !=0",
"s == 'B'",
"s",
"'B'",
"len(t) !=0",
"len(t)",
"len",
"t",
"0",
"t.pop()",
"t.pop",
"t",
"pop",
"elif s == '1' or s == '0':\n t.append(s)",
"s == '1' or s == '0'",
"s == '1'",
"s",
"'1'",
"s == '0'",
"s",
"'0'",
"t.append(s)",
"t.append",
"t",
"append",
"s",
"print(''.join(t))",
"print",
"''.join(t)",
"''.join",
"''",
"join",
"t",
"t = deque()",
"deque()",
"t",
"S=input()",
"input()",
"S"
] | from collections import deque
S=input()
t = deque()
for s in S:
if s == 'B' and len(t) !=0:
t.pop()
elif s == '1' or s == '0':
t.append(s)
print(''.join(t))
|
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
14,
40,
4,
13,
13,
17,
0,
13,
18,
13,
39,
17,
0,
13,
13,
4,
13,
13,
10,
13,
13,
10,
18,
13,
10,
4,
13,
10,
17,
13
] | [
[
40,
2
],
[
43,
6
],
[
10,
9
],
[
41,
9
],
[
9,
13
],
[
44,
19
],
[
35,
19
],
[
38,
19
],
[
37,
22
],
[
44,
24
],
[
35,
24
],
[
38,
24
],
[
34,
28
],
[
9,
29
],
[
35,
32
],
[
38,
32
],
[
44,
32
],
[
9,
34
],
[
34,
35
],
[
37,
38
],
[
40,
41
],
[
43,
44
]
] | [
"S = input()\nans = ''\nfor s in S:\n\tif s == 'B':\n\t\tif len(ans) != 0:\n\t\t\tans = ans[:-1]\n\telse:\n\t\tans += s\nprint(ans)",
"S = input()",
"S",
"input()",
"input",
"ans = ''",
"ans",
"''",
"for s in S:\n\tif s == 'B':\n\t\tif len(ans) != 0:\n\t\t\tans = ans[:-1]\n\telse:\n\t\tans += s",
"s",
"S",
"if s == 'B':\n\t\tif len(ans) != 0:\n\t\t\tans = ans[:-1]\n\telse:\n\t\tans += s",
"s == 'B'",
"s",
"'B'",
"if len(ans) != 0:\n\t\t\tans = ans[:-1]\n\t",
"len(ans) != 0",
"len(ans)",
"len",
"ans",
"0",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"ans += s",
"ans",
"s",
"print(ans)",
"print",
"ans",
"ans += s",
"s",
"ans",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"S = input()",
"input()",
"S",
"ans = ''",
"''",
"ans"
] | S = input()
ans = ''
for s in S:
if s == 'B':
if len(ans) != 0:
ans = ans[:-1]
else:
ans += s
print(ans) |
[
7,
15,
13,
13,
13,
13,
13,
13,
15,
13,
12,
13,
12,
13,
12,
13,
12,
13,
12,
13,
0,
13,
4,
13,
42,
2,
17,
13,
0,
13,
4,
18,
13,
13,
17,
14,
2,
13,
17,
0,
13,
4,
18,
13,
13,
17,
17,
17,
0,
13,
18,
13,
2,
13,
17,
0,
13,
2,
13,
17,
0,
13,
4,
18,
13,
13,
13,
17,
17,
4,
13,
13,
4,
13,
10,
12,
13,
10,
12,
13,
10,
12,
13,
10,
12,
13,
10,
12,
13
] | [
[
22,
21
],
[
76,
23
],
[
21,
27
],
[
61,
27
],
[
40,
27
],
[
30,
29
],
[
21,
32
],
[
61,
32
],
[
40,
32
],
[
29,
33
],
[
29,
37
],
[
41,
40
],
[
21,
43
],
[
61,
43
],
[
40,
43
],
[
50,
49
],
[
21,
51
],
[
61,
51
],
[
40,
51
],
[
29,
53
],
[
57,
56
],
[
49,
58
],
[
62,
61
],
[
21,
64
],
[
61,
64
],
[
40,
64
],
[
56,
66
],
[
61,
71
],
[
40,
71
],
[
21,
71
],
[
82,
73
]
] | [
"import bisect,collections,copy,itertools,math,string\nimport sys\ndef I(): return int(sys.stdin.readline().rstrip())\ndef LI(): return list(map(int,sys.stdin.readline().rstrip().split()))\ndef S(): return sys.stdin.readline().rstrip()\ndef LS(): return list(sys.stdin.readline().rstrip().split())\ndef main():\n s = S()\n\n while \"B\" in s:\n index = s.index(\"B\")\n if index == 0:\n s = s.replace(\"B\",\"\",1)\n else:\n before = s[index-1]\n delete = before+\"B\"\n s = s.replace(delete,\"\",1)\n print(s)\nmain() ",
"import bisect,collections,copy,itertools,math,string",
"bisect",
"collections",
"copy",
"itertools",
"math",
"string",
"import sys",
"sys",
"def I(): return int(sys.stdin.readline().rstrip())",
"I",
"def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))",
"LI",
"def S(): return sys.stdin.readline().rstrip()",
"S",
"def LS(): return list(sys.stdin.readline().rstrip().split())",
"LS",
"def main():\n s = S()\n\n while \"B\" in s:\n index = s.index(\"B\")\n if index == 0:\n s = s.replace(\"B\",\"\",1)\n else:\n before = s[index-1]\n delete = before+\"B\"\n s = s.replace(delete,\"\",1)\n print(s)",
"main",
"s = S()",
"s",
"S()",
"S",
"while \"B\" in s:\n index = s.index(\"B\")\n if index == 0:\n s = s.replace(\"B\",\"\",1)\n else:\n before = s[index-1]\n delete = before+\"B\"\n s = s.replace(delete,\"\",1)\n ",
"\"B\" in s",
"\"B\"",
"s",
"index = s.index(\"B\")",
"index",
"s.index(\"B\")",
"s.index",
"s",
"index",
"\"B\"",
"if index == 0:\n s = s.replace(\"B\",\"\",1)\n else:\n before = s[index-1]\n delete = before+\"B\"\n s = s.replace(delete,\"\",1)\n ",
"index == 0",
"index",
"0",
"s = s.replace(\"B\",\"\",1)",
"s",
"s.replace(\"B\",\"\",1)",
"s.replace",
"s",
"replace",
"\"B\"",
"\"\"",
"1",
"before = s[index-1]",
"before",
"s[index-1]",
"s",
"index-1",
"index",
"1",
"delete = before+\"B\"",
"delete",
"before+\"B\"",
"before",
"\"B\"",
"s = s.replace(delete,\"\",1)",
"s",
"s.replace(delete,\"\",1)",
"s.replace",
"s",
"replace",
"delete",
"\"\"",
"1",
"print(s)",
"print",
"s",
"main()",
"main",
"def S(): return sys.stdin.readline().rstrip()",
"def S(): return sys.stdin.readline().rstrip()",
"S",
"def LS(): return list(sys.stdin.readline().rstrip().split())",
"def LS(): return list(sys.stdin.readline().rstrip().split())",
"LS",
"def main():\n s = S()\n\n while \"B\" in s:\n index = s.index(\"B\")\n if index == 0:\n s = s.replace(\"B\",\"\",1)\n else:\n before = s[index-1]\n delete = before+\"B\"\n s = s.replace(delete,\"\",1)\n print(s)",
"def main():\n s = S()\n\n while \"B\" in s:\n index = s.index(\"B\")\n if index == 0:\n s = s.replace(\"B\",\"\",1)\n else:\n before = s[index-1]\n delete = before+\"B\"\n s = s.replace(delete,\"\",1)\n print(s)",
"main",
"def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))",
"def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))",
"LI",
"def I(): return int(sys.stdin.readline().rstrip())",
"def I(): return int(sys.stdin.readline().rstrip())",
"I"
] | import bisect,collections,copy,itertools,math,string
import sys
def I(): return int(sys.stdin.readline().rstrip())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def main():
s = S()
while "B" in s:
index = s.index("B")
if index == 0:
s = s.replace("B","",1)
else:
before = s[index-1]
delete = before+"B"
s = s.replace(delete,"",1)
print(s)
main()
|
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
14,
2,
13,
17,
9,
0,
13,
18,
13,
39,
17,
0,
13,
13,
4,
13,
13,
10,
18,
13,
10,
13,
13,
10,
17,
13,
10,
4,
13
] | [
[
42,
2
],
[
39,
6
],
[
10,
9
],
[
43,
9
],
[
9,
13
],
[
40,
17
],
[
37,
17
],
[
34,
17
],
[
33,
21
],
[
40,
23
],
[
37,
23
],
[
34,
23
],
[
36,
27
],
[
9,
28
],
[
37,
31
],
[
34,
31
],
[
40,
31
],
[
33,
34
],
[
9,
36
],
[
36,
37
],
[
39,
40
],
[
42,
43
]
] | [
"s = input()\n\nans = ''\n\nfor x in s:\n if x == 'B':\n if ans == '':\n continue \n ans = ans[:-1]\n else:\n ans += x\n\nprint(ans)",
"s = input()",
"s",
"input()",
"input",
"ans = ''",
"ans",
"''",
"for x in s:\n if x == 'B':\n if ans == '':\n continue \n ans = ans[:-1]\n else:\n ans += x",
"x",
"s",
"if x == 'B':\n if ans == '':\n continue \n ans = ans[:-1]\n else:\n ans += x",
"x == 'B'",
"x",
"'B'",
"if ans == '':\n continue \n ",
"ans == ''",
"ans",
"''",
"continue",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"ans += x",
"ans",
"x",
"print(ans)",
"print",
"ans",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"ans += x",
"x",
"ans",
"ans = ''",
"''",
"ans",
"s = input()",
"input()",
"s"
] | s = input()
ans = ''
for x in s:
if x == 'B':
if ans == '':
continue
ans = ans[:-1]
else:
ans += x
print(ans)
|
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
14,
2,
4,
13,
13,
17,
4,
13,
13,
10,
4,
13,
10,
17,
13
] | [
[
25,
2
],
[
28,
6
],
[
10,
9
],
[
26,
9
],
[
9,
13
],
[
29,
19
],
[
29,
23
],
[
25,
26
],
[
28,
29
]
] | [
"s = input()\nans = ''\nfor a in s:\n if a =='B':\n if len(ans) > 0: ans = ans[:-1]\n else: ans += a\nprint(ans)",
"s = input()",
"s",
"input()",
"input",
"ans = ''",
"ans",
"''",
"for a in s:\n if a =='B':\n if len(ans) > 0: ans = ans[:-1]\n else: ans += a",
"a",
"s",
"if a =='B':\n if len(ans) > 0: ans = ans[:-1]\n else: ans += a",
"a =='B'",
"a",
"'B'",
"if len(ans) > 0: ans = ans[:-1]\n ",
"len(ans) > 0",
"len(ans)",
"len",
"ans",
"0",
"print(ans)",
"print",
"ans",
"s = input()",
"input()",
"s",
"ans = ''",
"''",
"ans"
] | s = input()
ans = ''
for a in s:
if a =='B':
if len(ans) > 0: ans = ans[:-1]
else: ans += a
print(ans) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
2,
13,
17,
2,
13,
17,
4,
18,
13,
13,
13,
14,
40,
17,
4,
13,
13,
4,
18,
13,
13,
2,
4,
13,
13,
17,
0,
13,
17,
28,
13,
13,
0,
13,
13,
4,
13,
13,
10,
17,
13,
10,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
60,
2
],
[
63,
8
],
[
12,
11
],
[
61,
11
],
[
11,
16
],
[
11,
19
],
[
64,
23
],
[
11,
25
],
[
64,
31
],
[
64,
34
],
[
64,
39
],
[
54,
42
],
[
46,
45
],
[
64,
45
],
[
57,
48
],
[
45,
49
],
[
58,
52
],
[
55,
52
],
[
54,
55
],
[
45,
57
],
[
57,
58
],
[
60,
61
],
[
63,
64
]
] | [
"s1 = str(input())\ns = []\nfor i in s1:\n if i == '0' or i == '1':\n s.append(i)\n else:\n if 1 <= len(s):\n s.pop(len(s)-1)\nw = \"\"\nfor h in s:\n w += h\nprint(w)",
"s1 = str(input())",
"s1",
"str(input())",
"str",
"input()",
"input",
"s = []",
"s",
"[]",
"for i in s1:\n if i == '0' or i == '1':\n s.append(i)\n else:\n if 1 <= len(s):\n s.pop(len(s)-1)",
"i",
"s1",
"if i == '0' or i == '1':\n s.append(i)\n else:\n if 1 <= len(s):\n s.pop(len(s)-1)",
"i == '0' or i == '1'",
"i == '0'",
"i",
"'0'",
"i == '1'",
"i",
"'1'",
"s.append(i)",
"s.append",
"s",
"append",
"i",
"if 1 <= len(s):\n s.pop(len(s)-1)",
"1 <= len(s)",
"1",
"len(s)",
"len",
"s",
"s.pop(len(s)-1)",
"s.pop",
"s",
"pop",
"len(s)-1",
"len(s)",
"len",
"s",
"1",
"w = \"\"",
"w",
"\"\"",
"for h in s:\n w += h",
"h",
"s",
"w += h",
"w",
"h",
"print(w)",
"print",
"w",
"w = \"\"",
"\"\"",
"w",
"w += h",
"h",
"w",
"s1 = str(input())",
"str(input())",
"s1",
"s = []",
"[]",
"s"
] | s1 = str(input())
s = []
for i in s1:
if i == '0' or i == '1':
s.append(i)
else:
if 1 <= len(s):
s.pop(len(s)-1)
w = ""
for h in s:
w += h
print(w) |
[
7,
0,
13,
4,
13,
42,
2,
2,
17,
13,
2,
17,
13,
0,
13,
4,
18,
13,
13,
17,
17,
0,
13,
4,
18,
13,
13,
17,
17,
42,
2,
17,
13,
0,
13,
4,
18,
13,
13,
17,
17,
4,
13,
13,
10,
4,
13,
10,
4,
13,
10,
4,
13,
10,
4,
13
] | [
[
45,
2
],
[
46,
9
],
[
52,
9
],
[
55,
9
],
[
46,
12
],
[
52,
12
],
[
55,
12
],
[
54,
14
],
[
46,
17
],
[
52,
17
],
[
55,
17
],
[
51,
22
],
[
55,
25
],
[
46,
25
],
[
52,
25
],
[
52,
32
],
[
55,
32
],
[
46,
32
],
[
49,
32
],
[
48,
34
],
[
52,
37
],
[
55,
37
],
[
46,
37
],
[
49,
37
],
[
49,
43
],
[
52,
43
],
[
55,
43
],
[
46,
43
],
[
45,
46
],
[
48,
49
],
[
51,
52
],
[
54,
55
]
] | [
"s = input()\nwhile \"0B\" in s or \"1B\" in s:\n s = s.replace(\"0B\", \"\")\n s = s.replace(\"1B\", \"\")\nwhile \"B\" in s:\n s = s.replace(\"B\", \"\")\n\nprint(s)",
"s = input()",
"s",
"input()",
"input",
"while \"0B\" in s or \"1B\" in s:\n s = s.replace(\"0B\", \"\")\n s = s.replace(\"1B\", \"\")",
"\"0B\" in s or \"1B\" in s",
"\"0B\" in s",
"\"0B\"",
"s",
"\"1B\" in s",
"\"1B\"",
"s",
"s = s.replace(\"0B\", \"\")",
"s",
"s.replace(\"0B\", \"\")",
"s.replace",
"s",
"replace",
"\"0B\"",
"\"\"",
"s = s.replace(\"1B\", \"\")",
"s",
"s.replace(\"1B\", \"\")",
"s.replace",
"s",
"replace",
"\"1B\"",
"\"\"",
"while \"B\" in s:\n s = s.replace(\"B\", \"\")",
"\"B\" in s",
"\"B\"",
"s",
"s = s.replace(\"B\", \"\")",
"s",
"s.replace(\"B\", \"\")",
"s.replace",
"s",
"replace",
"\"B\"",
"\"\"",
"print(s)",
"print",
"s",
"s = input()",
"input()",
"s",
"s = s.replace(\"B\", \"\")",
"s.replace(\"B\", \"\")",
"s",
"s = s.replace(\"1B\", \"\")",
"s.replace(\"1B\", \"\")",
"s",
"s = s.replace(\"0B\", \"\")",
"s.replace(\"0B\", \"\")",
"s"
] | s = input()
while "0B" in s or "1B" in s:
s = s.replace("0B", "")
s = s.replace("1B", "")
while "B" in s:
s = s.replace("B", "")
print(s) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
14,
2,
13,
17,
0,
13,
18,
13,
39,
17,
17,
4,
13,
13,
10,
17,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13,
10,
18,
13
] | [
[
47,
2
],
[
50,
6
],
[
10,
9
],
[
48,
9
],
[
9,
13
],
[
53,
16
],
[
9,
20
],
[
44,
23
],
[
9,
27
],
[
45,
31
],
[
54,
31
],
[
51,
31
],
[
57,
31
],
[
56,
34
],
[
45,
36
],
[
54,
36
],
[
51,
36
],
[
57,
36
],
[
57,
42
],
[
45,
42
],
[
54,
42
],
[
51,
42
],
[
44,
45
],
[
47,
48
],
[
50,
51
],
[
53,
54
],
[
56,
57
]
] | [
"S = input()\nst = ''\nfor si in S:\n if si == '0':\n st += '0'\n if si == '1':\n st += '1'\n if si == 'B':\n if st == '':\n pass\n else:\n st = st[0:-1]\nprint(st)",
"S = input()",
"S",
"input()",
"input",
"st = ''",
"st",
"''",
"for si in S:\n if si == '0':\n st += '0'\n if si == '1':\n st += '1'\n if si == 'B':\n if st == '':\n pass\n else:\n st = st[0:-1]",
"si",
"S",
"if si == '0':\n st += '0'\n ",
"si == '0'",
"si",
"'0'",
"st += '0'",
"st",
"'0'",
"if si == '1':\n st += '1'\n ",
"si == '1'",
"si",
"'1'",
"st += '1'",
"st",
"'1'",
"if si == 'B':\n if st == '':\n pass\n else:\n st = st[0:-1]",
"si == 'B'",
"si",
"'B'",
"if st == '':\n pass\n else:\n st = st[0:-1]",
"st == ''",
"st",
"''",
"st = st[0:-1]",
"st",
"st[0:-1]",
"st",
"0:-1",
"0",
"-1",
"print(st)",
"print",
"st",
"st += '1'",
"'1'",
"st",
"S = input()",
"input()",
"S",
"st = ''",
"''",
"st",
"st += '0'",
"'0'",
"st",
"st = st[0:-1]",
"st[0:-1]",
"st"
] | S = input()
st = ''
for si in S:
if si == '0':
st += '0'
if si == '1':
st += '1'
if si == 'B':
if st == '':
pass
else:
st = st[0:-1]
print(st) |
[
7,
12,
13,
15,
0,
13,
4,
13,
4,
13,
0,
13,
4,
13,
39,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
40,
4,
13,
13,
17,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
4,
13,
10,
12,
13
] | [
[
6,
5
],
[
12,
11
],
[
17,
16
],
[
5,
16
],
[
16,
20
],
[
11,
24
],
[
16,
29
],
[
11,
33
],
[
11,
40
],
[
11,
44
],
[
11,
52
],
[
57,
54
]
] | [
"def main():\n from collections import deque\n s = list(input())\n ans = deque([])\n for i in s:\n if i == '0':\n ans.append('0')\n elif i == '1':\n ans.append('1')\n else:\n if len(ans)!= 0:\n ans.pop()\n\n print(''.join(ans))\n\nmain()",
"def main():\n from collections import deque\n s = list(input())\n ans = deque([])\n for i in s:\n if i == '0':\n ans.append('0')\n elif i == '1':\n ans.append('1')\n else:\n if len(ans)!= 0:\n ans.pop()\n\n print(''.join(ans))",
"main",
"from collections import deque",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"ans = deque([])",
"ans",
"deque([])",
"deque",
"[]",
"for i in s:\n if i == '0':\n ans.append('0')\n elif i == '1':\n ans.append('1')\n else:\n if len(ans)!= 0:\n ans.pop()\n\n ",
"i",
"s",
"if i == '0':\n ans.append('0')\n elif i == '1':\n ans.append('1')\n else:\n if len(ans)!= 0:\n ans.pop()\n\n ",
"i == '0'",
"i",
"'0'",
"ans.append('0')",
"ans.append",
"ans",
"append",
"'0'",
"elif i == '1':\n ans.append('1')\n ",
"i == '1'",
"i",
"'1'",
"ans.append('1')",
"ans.append",
"ans",
"append",
"'1'",
"if len(ans)!= 0:\n ans.pop()\n\n ",
"len(ans)!= 0",
"len(ans)",
"len",
"ans",
"0",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"main()",
"main",
"def main():\n from collections import deque\n s = list(input())\n ans = deque([])\n for i in s:\n if i == '0':\n ans.append('0')\n elif i == '1':\n ans.append('1')\n else:\n if len(ans)!= 0:\n ans.pop()\n\n print(''.join(ans))",
"def main():\n from collections import deque\n s = list(input())\n ans = deque([])\n for i in s:\n if i == '0':\n ans.append('0')\n elif i == '1':\n ans.append('1')\n else:\n if len(ans)!= 0:\n ans.pop()\n\n print(''.join(ans))",
"main"
] | def main():
from collections import deque
s = list(input())
ans = deque([])
for i in s:
if i == '0':
ans.append('0')
elif i == '1':
ans.append('1')
else:
if len(ans)!= 0:
ans.pop()
print(''.join(ans))
main() |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
39,
28,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
14,
13,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
4,
13,
10,
39,
13
] | [
[
65,
2
],
[
62,
8
],
[
66,
11
],
[
68,
13
],
[
17,
16
],
[
63,
19
],
[
66,
23
],
[
16,
24
],
[
69,
28
],
[
66,
34
],
[
16,
35
],
[
69,
39
],
[
66,
45
],
[
16,
46
],
[
69,
52
],
[
69,
60
],
[
62,
63
],
[
65,
66
],
[
68,
69
]
] | [
"s = list(input())\nn = len(s)\n\nans = []\nfor i in range(n):\n if s[i] == '0':\n ans.append('0')\n if s[i] == '1':\n ans.append('1')\n if s[i] == 'B':\n if ans:\n ans.pop()\n\nprint(\"\".join(ans))",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"n = len(s)",
"n",
"len(s)",
"len",
"s",
"ans = []",
"ans",
"[]",
"for i in range(n):\n if s[i] == '0':\n ans.append('0')\n if s[i] == '1':\n ans.append('1')\n if s[i] == 'B':\n if ans:\n ans.pop()",
"i",
"range(n)",
"range",
"n",
"if s[i] == '0':\n ans.append('0')\n ",
"s[i] == '0'",
"s[i]",
"s",
"i",
"'0'",
"ans.append('0')",
"ans.append",
"ans",
"append",
"'0'",
"if s[i] == '1':\n ans.append('1')\n ",
"s[i] == '1'",
"s[i]",
"s",
"i",
"'1'",
"ans.append('1')",
"ans.append",
"ans",
"append",
"'1'",
"if s[i] == 'B':\n if ans:\n ans.pop()",
"s[i] == 'B'",
"s[i]",
"s",
"i",
"'B'",
"if ans:\n ans.pop()",
"ans",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"print(\"\".join(ans))",
"print",
"\"\".join(ans)",
"\"\".join",
"\"\"",
"join",
"ans",
"n = len(s)",
"len(s)",
"n",
"s = list(input())",
"list(input())",
"s",
"ans = []",
"[]",
"ans"
] | s = list(input())
n = len(s)
ans = []
for i in range(n):
if s[i] == '0':
ans.append('0')
if s[i] == '1':
ans.append('1')
if s[i] == 'B':
if ans:
ans.pop()
print("".join(ans))
|
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
39,
4,
18,
13,
13,
17,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
56,
2
],
[
59,
8
],
[
12,
11
],
[
57,
16
],
[
57,
20
],
[
11,
21
],
[
60,
25
],
[
57,
31
],
[
11,
32
],
[
60,
36
],
[
60,
41
],
[
60,
45
],
[
60,
54
],
[
56,
57
],
[
59,
60
]
] | [
"s = list(input())\nbox = []\nfor i in range(len(s)):\n if s[i] == \"0\":\n box.append(\"0\")\n elif s[i] == \"1\":\n box.append(\"1\")\n else:\n if box == []:\n pass\n else:\n box.pop(-1)\nprint(\"\".join(box))",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"box = []",
"box",
"[]",
"for i in range(len(s)):\n if s[i] == \"0\":\n box.append(\"0\")\n elif s[i] == \"1\":\n box.append(\"1\")\n else:\n if box == []:\n pass\n else:\n box.pop(-1)",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] == \"0\":\n box.append(\"0\")\n elif s[i] == \"1\":\n box.append(\"1\")\n else:\n if box == []:\n pass\n else:\n box.pop(-1)",
"s[i] == \"0\"",
"s[i]",
"s",
"i",
"\"0\"",
"box.append(\"0\")",
"box.append",
"box",
"append",
"\"0\"",
"elif s[i] == \"1\":\n box.append(\"1\")\n ",
"s[i] == \"1\"",
"s[i]",
"s",
"i",
"\"1\"",
"box.append(\"1\")",
"box.append",
"box",
"append",
"\"1\"",
"if box == []:\n pass\n else:\n box.pop(-1)",
"box == []",
"box",
"[]",
"box.pop(-1)",
"box.pop",
"box",
"pop",
"-1",
"print(\"\".join(box))",
"print",
"\"\".join(box)",
"\"\".join",
"\"\"",
"join",
"box",
"s = list(input())",
"list(input())",
"s",
"box = []",
"[]",
"box"
] | s = list(input())
box = []
for i in range(len(s)):
if s[i] == "0":
box.append("0")
elif s[i] == "1":
box.append("1")
else:
if box == []:
pass
else:
box.pop(-1)
print("".join(box)) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
4,
13,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
38,
5,
4,
18,
13,
13,
17,
28,
13,
13,
4,
13,
13,
0,
13,
17,
4,
13,
10,
4,
13,
10,
4,
13
] | [
[
51,
2
],
[
54,
8
],
[
13,
12
],
[
52,
12
],
[
12,
16
],
[
55,
20
],
[
12,
25
],
[
55,
29
],
[
55,
36
],
[
41,
40
],
[
55,
40
],
[
40,
44
],
[
47,
46
],
[
51,
52
],
[
54,
55
]
] | [
"s=list(input())\nans=list()\nfor i in s:\n if i==\"0\":\n ans.append(0)\n elif i==\"1\":\n ans.append(1)\n else:\n try:\n ans.pop(-1)\n except:\n pass\nfor i in ans:\n print(i,end=\"\")\nprint()",
"s=list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"ans=list()",
"ans",
"list()",
"list",
"for i in s:\n if i==\"0\":\n ans.append(0)\n elif i==\"1\":\n ans.append(1)\n else:\n try:\n ans.pop(-1)\n except:\n pass",
"i",
"s",
"if i==\"0\":\n ans.append(0)\n elif i==\"1\":\n ans.append(1)\n else:\n try:\n ans.pop(-1)\n except:\n pass",
"i==\"0\"",
"i",
"\"0\"",
"ans.append(0)",
"ans.append",
"ans",
"append",
"0",
"elif i==\"1\":\n ans.append(1)\n ",
"i==\"1\"",
"i",
"\"1\"",
"ans.append(1)",
"ans.append",
"ans",
"append",
"1",
"try:\n ans.pop(-1)\n except:\n pass",
"except:\n pass",
"ans.pop(-1)",
"ans.pop",
"ans",
"pop",
"-1",
"for i in ans:\n print(i,end=\"\")",
"i",
"ans",
"print(i,end=\"\")",
"print",
"i",
"end=\"\"",
"end",
"\"\"",
"print()",
"print",
"s=list(input())",
"list(input())",
"s",
"ans=list()",
"list()",
"ans"
] | s=list(input())
ans=list()
for i in s:
if i=="0":
ans.append(0)
elif i=="1":
ans.append(1)
else:
try:
ans.pop(-1)
except:
pass
for i in ans:
print(i,end="")
print() |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
39,
28,
13,
4,
13,
13,
14,
40,
18,
13,
13,
17,
4,
18,
13,
13,
18,
13,
13,
14,
40,
4,
13,
13,
17,
4,
18,
13,
13,
17,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13,
10,
4,
13
] | [
[
52,
2
],
[
58,
8
],
[
53,
11
],
[
55,
13
],
[
17,
16
],
[
59,
19
],
[
53,
23
],
[
16,
24
],
[
56,
28
],
[
53,
31
],
[
16,
32
],
[
56,
37
],
[
56,
41
],
[
56,
50
],
[
52,
53
],
[
55,
56
],
[
58,
59
]
] | [
"s=list(input())\nn=len(s)\nans=[]\nfor i in range(n):\n if s[i]!=\"B\" :\n \n ans.append(s[i])\n else:\n if len(ans)!=0:\n ans.pop(-1)\n\nprint(\"\".join(ans))\n \n\n ",
"s=list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"n=len(s)",
"n",
"len(s)",
"len",
"s",
"ans=[]",
"ans",
"[]",
"for i in range(n):\n if s[i]!=\"B\" :\n \n ans.append(s[i])\n else:\n if len(ans)!=0:\n ans.pop(-1)",
"i",
"range(n)",
"range",
"n",
"if s[i]!=\"B\" :\n \n ans.append(s[i])\n else:\n if len(ans)!=0:\n ans.pop(-1)",
"s[i]!=\"B\"",
"s[i]",
"s",
"i",
"\"B\"",
"ans.append(s[i])",
"ans.append",
"ans",
"append",
"s[i]",
"s",
"i",
"if len(ans)!=0:\n ans.pop(-1)",
"len(ans)!=0",
"len(ans)",
"len",
"ans",
"0",
"ans.pop(-1)",
"ans.pop",
"ans",
"pop",
"-1",
"print(\"\".join(ans))",
"print",
"\"\".join(ans)",
"\"\".join",
"\"\"",
"join",
"ans",
"s=list(input())",
"list(input())",
"s",
"ans=[]",
"[]",
"ans",
"n=len(s)",
"len(s)",
"n"
] | s=list(input())
n=len(s)
ans=[]
for i in range(n):
if s[i]!="B" :
ans.append(s[i])
else:
if len(ans)!=0:
ans.pop(-1)
print("".join(ans))
|
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
17,
28,
13,
4,
13,
4,
13,
13,
14,
40,
18,
13,
13,
17,
0,
13,
18,
13,
13,
14,
40,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
17,
13,
10,
18,
13,
10,
4,
13,
10,
18,
13
] | [
[
48,
2
],
[
42,
8
],
[
12,
11
],
[
49,
16
],
[
49,
20
],
[
11,
21
],
[
51,
24
],
[
49,
26
],
[
11,
27
],
[
43,
30
],
[
46,
30
],
[
52,
30
],
[
45,
33
],
[
43,
35
],
[
46,
35
],
[
52,
35
],
[
46,
40
],
[
52,
40
],
[
43,
40
],
[
42,
43
],
[
45,
46
],
[
48,
49
],
[
51,
52
]
] | [
"s = str(input())\nans = \"\"\nfor i in range(len(s)):\n if(s[i]!=\"B\"):\n ans += s[i]\n else:\n if(ans != \"\"):\n ans = ans[:-1]\nprint(ans)\n",
"s = str(input())",
"s",
"str(input())",
"str",
"input()",
"input",
"ans = \"\"",
"ans",
"\"\"",
"for i in range(len(s)):\n if(s[i]!=\"B\"):\n ans += s[i]\n else:\n if(ans != \"\"):\n ans = ans[:-1]",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if(s[i]!=\"B\"):\n ans += s[i]\n else:\n if(ans != \"\"):\n ans = ans[:-1]",
"s[i]!=\"B\"",
"s[i]",
"s",
"i",
"\"B\"",
"ans += s[i]",
"ans",
"s[i]",
"s",
"i",
"if(ans != \"\"):\n ans = ans[:-1]",
"ans != \"\"",
"ans",
"\"\"",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(ans)",
"print",
"ans",
"ans = \"\"",
"\"\"",
"ans",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"s = str(input())",
"str(input())",
"s",
"ans += s[i]",
"s[i]",
"ans"
] | s = str(input())
ans = ""
for i in range(len(s)):
if(s[i]!="B"):
ans += s[i]
else:
if(ans != ""):
ans = ans[:-1]
print(ans)
|
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
0,
13,
17,
14,
2,
18,
13,
13,
17,
0,
13,
17,
14,
40,
13,
17,
0,
13,
18,
13,
39,
17,
17,
4,
13,
13,
10,
18,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13,
10,
17,
13
] | [
[
51,
2
],
[
60,
6
],
[
10,
9
],
[
52,
14
],
[
52,
18
],
[
9,
19
],
[
57,
22
],
[
52,
27
],
[
9,
28
],
[
54,
31
],
[
61,
35
],
[
49,
35
],
[
55,
35
],
[
58,
35
],
[
48,
38
],
[
61,
40
],
[
49,
40
],
[
55,
40
],
[
58,
40
],
[
49,
46
],
[
55,
46
],
[
58,
46
],
[
61,
46
],
[
48,
49
],
[
51,
52
],
[
54,
55
],
[
57,
58
],
[
60,
61
]
] | [
"line = input()\nans = \"\"\nfor i in range(len(line)):\n if line[i] == \"0\":\n ans += \"0\"\n elif line[i] == \"1\":\n ans += \"1\"\n else:\n if ans != \"\":\n ans = ans[0:-1]\nprint(ans)",
"line = input()",
"line",
"input()",
"input",
"ans = \"\"",
"ans",
"\"\"",
"for i in range(len(line)):\n if line[i] == \"0\":\n ans += \"0\"\n elif line[i] == \"1\":\n ans += \"1\"\n else:\n if ans != \"\":\n ans = ans[0:-1]",
"i",
"range(len(line))",
"range",
"len(line)",
"len",
"line",
"if line[i] == \"0\":\n ans += \"0\"\n elif line[i] == \"1\":\n ans += \"1\"\n else:\n if ans != \"\":\n ans = ans[0:-1]",
"line[i] == \"0\"",
"line[i]",
"line",
"i",
"\"0\"",
"ans += \"0\"",
"ans",
"\"0\"",
"elif line[i] == \"1\":\n ans += \"1\"\n ",
"line[i] == \"1\"",
"line[i]",
"line",
"i",
"\"1\"",
"ans += \"1\"",
"ans",
"\"1\"",
"if ans != \"\":\n ans = ans[0:-1]",
"ans != \"\"",
"ans",
"\"\"",
"ans = ans[0:-1]",
"ans",
"ans[0:-1]",
"ans",
"0:-1",
"0",
"-1",
"print(ans)",
"print",
"ans",
"ans = ans[0:-1]",
"ans[0:-1]",
"ans",
"line = input()",
"input()",
"line",
"ans += \"1\"",
"\"1\"",
"ans",
"ans += \"0\"",
"\"0\"",
"ans",
"ans = \"\"",
"\"\"",
"ans"
] | line = input()
ans = ""
for i in range(len(line)):
if line[i] == "0":
ans += "0"
elif line[i] == "1":
ans += "1"
else:
if ans != "":
ans = ans[0:-1]
print(ans) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
2,
13,
17,
2,
4,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
2,
13,
17,
2,
13,
17,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
4,
13
] | [
[
52,
2
],
[
49,
8
],
[
12,
11
],
[
53,
11
],
[
11,
16
],
[
50,
21
],
[
50,
25
],
[
11,
31
],
[
11,
34
],
[
50,
38
],
[
11,
40
],
[
50,
47
],
[
49,
50
],
[
52,
53
]
] | [
"s=str(input())\nedi=[]\nfor i in s:\n if i=='B' and len(edi)>0:\n edi.pop(-1)\n elif i=='0' or i=='1':\n edi.append(i)\nprint(\"\".join(edi))",
"s=str(input())",
"s",
"str(input())",
"str",
"input()",
"input",
"edi=[]",
"edi",
"[]",
"for i in s:\n if i=='B' and len(edi)>0:\n edi.pop(-1)\n elif i=='0' or i=='1':\n edi.append(i)",
"i",
"s",
"if i=='B' and len(edi)>0:\n edi.pop(-1)\n elif i=='0' or i=='1':\n edi.append(i)",
"i=='B' and len(edi)>0",
"i=='B'",
"i",
"'B'",
"len(edi)>0",
"len(edi)",
"len",
"edi",
"0",
"edi.pop(-1)",
"edi.pop",
"edi",
"pop",
"-1",
"elif i=='0' or i=='1':\n edi.append(i)",
"i=='0' or i=='1'",
"i=='0'",
"i",
"'0'",
"i=='1'",
"i",
"'1'",
"edi.append(i)",
"edi.append",
"edi",
"append",
"i",
"print(\"\".join(edi))",
"print",
"\"\".join(edi)",
"\"\".join",
"\"\"",
"join",
"edi",
"edi=[]",
"[]",
"edi",
"s=str(input())",
"str(input())",
"s"
] | s=str(input())
edi=[]
for i in s:
if i=='B' and len(edi)>0:
edi.pop(-1)
elif i=='0' or i=='1':
edi.append(i)
print("".join(edi)) |
[
7,
0,
13,
4,
13,
0,
13,
39,
0,
13,
17,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
0,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
0,
13,
17,
14,
40,
13,
17,
4,
18,
13,
13,
2,
13,
17,
0,
13,
17,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
17,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13,
10,
17,
13
] | [
[
74,
2
],
[
68,
6
],
[
71,
9
],
[
13,
12
],
[
75,
17
],
[
75,
21
],
[
12,
22
],
[
69,
26
],
[
77,
30
],
[
75,
35
],
[
12,
36
],
[
69,
40
],
[
83,
44
],
[
72,
48
],
[
81,
48
],
[
84,
48
],
[
78,
48
],
[
69,
52
],
[
72,
55
],
[
81,
55
],
[
84,
55
],
[
78,
55
],
[
80,
58
],
[
69,
66
],
[
68,
69
],
[
71,
72
],
[
74,
75
],
[
77,
78
],
[
80,
81
],
[
83,
84
]
] | [
"s = input()\nt = []\nr = 0\n\nfor i in range(len(s)):\n if s[i] == '0':\n t.append('0')\n r += 1\n elif s[i] == '1':\n t.append('1')\n r += 1 \n else:\n if r != 0:\n t.pop(r-1)\n r -= 1\n\nprint(''.join(t))",
"s = input()",
"s",
"input()",
"input",
"t = []",
"t",
"[]",
"r = 0",
"r",
"0",
"for i in range(len(s)):\n if s[i] == '0':\n t.append('0')\n r += 1\n elif s[i] == '1':\n t.append('1')\n r += 1 \n else:\n if r != 0:\n t.pop(r-1)\n r -= 1",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] == '0':\n t.append('0')\n r += 1\n elif s[i] == '1':\n t.append('1')\n r += 1 \n else:\n if r != 0:\n t.pop(r-1)\n r -= 1",
"s[i] == '0'",
"s[i]",
"s",
"i",
"'0'",
"t.append('0')",
"t.append",
"t",
"append",
"'0'",
"r += 1",
"r",
"1",
"elif s[i] == '1':\n t.append('1')\n r += 1 \n ",
"s[i] == '1'",
"s[i]",
"s",
"i",
"'1'",
"t.append('1')",
"t.append",
"t",
"append",
"'1'",
"r += 1",
"r",
"1",
"if r != 0:\n t.pop(r-1)\n r -= 1",
"r != 0",
"r",
"0",
"t.pop(r-1)",
"t.pop",
"t",
"pop",
"r-1",
"r",
"1",
"r -= 1",
"r",
"1",
"print(''.join(t))",
"print",
"''.join(t)",
"''.join",
"''",
"join",
"t",
"t = []",
"[]",
"t",
"r = 0",
"0",
"r",
"s = input()",
"input()",
"s",
"r += 1",
"1",
"r",
"r -= 1",
"1",
"r",
"r += 1",
"1",
"r"
] | s = input()
t = []
r = 0
for i in range(len(s)):
if s[i] == '0':
t.append('0')
r += 1
elif s[i] == '1':
t.append('1')
r += 1
else:
if r != 0:
t.pop(r-1)
r -= 1
print(''.join(t)) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
14,
2,
4,
13,
13,
17,
9,
4,
18,
13,
13,
4,
18,
13,
13,
13,
0,
13,
4,
18,
17,
13,
13,
4,
13,
13,
10,
4,
13,
10,
39,
13,
10,
4,
13
] | [
[
48,
2
],
[
45,
6
],
[
10,
9
],
[
49,
9
],
[
9,
13
],
[
46,
19
],
[
46,
24
],
[
46,
28
],
[
9,
30
],
[
42,
32
],
[
46,
37
],
[
43,
40
],
[
42,
43
],
[
45,
46
],
[
48,
49
]
] | [
"s = input()\nans = []\nfor i in s:\n\tif i=='B':\n\t\tif len(ans)==0:\n\t\t\tcontinue\n\t\tans.pop()\n\telse:\n\t\tans.append(i)\nnew = ''.join(ans)\nprint(new)",
"s = input()",
"s",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for i in s:\n\tif i=='B':\n\t\tif len(ans)==0:\n\t\t\tcontinue\n\t\tans.pop()\n\telse:\n\t\tans.append(i)",
"i",
"s",
"if i=='B':\n\t\tif len(ans)==0:\n\t\t\tcontinue\n\t\tans.pop()\n\telse:\n\t\tans.append(i)",
"i=='B'",
"i",
"'B'",
"if len(ans)==0:\n\t\t\tcontinue\n\t\t",
"len(ans)==0",
"len(ans)",
"len",
"ans",
"0",
"continue",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"ans.append(i)",
"ans.append",
"ans",
"append",
"i",
"new = ''.join(ans)",
"new",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"print(new)",
"print",
"new",
"new = ''.join(ans)",
"''.join(ans)",
"new",
"ans = []",
"[]",
"ans",
"s = input()",
"input()",
"s"
] | s = input()
ans = []
for i in s:
if i=='B':
if len(ans)==0:
continue
ans.pop()
else:
ans.append(i)
new = ''.join(ans)
print(new) |
[
7,
0,
13,
4,
13,
0,
13,
39,
0,
13,
4,
13,
13,
0,
13,
17,
42,
2,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
14,
2,
4,
13,
13,
17,
4,
18,
13,
13,
0,
13,
17,
0,
13,
17,
0,
13,
4,
13,
13,
42,
2,
13,
13,
4,
13,
18,
13,
13,
0,
13,
17,
0,
13,
17,
10,
4,
13,
10,
17,
13,
10,
39,
13,
10,
17,
13,
10,
17,
13,
10,
4,
13,
10,
4,
13,
10,
17,
13
] | [
[
103,
2
],
[
91,
6
],
[
85,
9
],
[
104,
12
],
[
94,
14
],
[
95,
18
],
[
98,
18
],
[
86,
19
],
[
104,
23
],
[
95,
24
],
[
98,
24
],
[
92,
28
],
[
104,
34
],
[
95,
35
],
[
98,
35
],
[
92,
39
],
[
104,
45
],
[
95,
46
],
[
98,
46
],
[
92,
52
],
[
92,
56
],
[
97,
59
],
[
88,
62
],
[
100,
65
],
[
92,
68
],
[
89,
71
],
[
98,
71
],
[
95,
71
],
[
107,
71
],
[
101,
72
],
[
86,
72
],
[
92,
76
],
[
89,
77
],
[
98,
77
],
[
95,
77
],
[
107,
77
],
[
80,
79
],
[
106,
82
],
[
85,
86
],
[
88,
89
],
[
91,
92
],
[
94,
95
],
[
97,
98
],
[
100,
101
],
[
103,
104
],
[
106,
107
]
] | [
"S = input()\n\nZ = []\nX = len(S)\n\ni = 0\nwhile i < X :\n if S[i] == \"0\":\n Z.append(0)\n elif S[i] == \"1\":\n Z.append(1)\n elif S[i] == \"B\":\n if len(Z)== 0:\n pass\n else:\n Z.pop()\n i += 1\n\ni = 0\nX = len(Z)\nwhile i < X:\n print(Z[i] , end =\"\")\n i +=1",
"S = input()",
"S",
"input()",
"input",
"Z = []",
"Z",
"[]",
"X = len(S)",
"X",
"len(S)",
"len",
"S",
"i = 0",
"i",
"0",
"while i < X :\n if S[i] == \"0\":\n Z.append(0)\n elif S[i] == \"1\":\n Z.append(1)\n elif S[i] == \"B\":\n if len(Z)== 0:\n pass\n else:\n Z.pop()\n i += 1",
"i < X",
"i",
"X",
"if S[i] == \"0\":\n Z.append(0)\n elif S[i] == \"1\":\n Z.append(1)\n elif S[i] == \"B\":\n if len(Z)== 0:\n pass\n else:\n Z.pop()\n ",
"S[i] == \"0\"",
"S[i]",
"S",
"i",
"\"0\"",
"Z.append(0)",
"Z.append",
"Z",
"append",
"0",
"elif S[i] == \"1\":\n Z.append(1)\n ",
"S[i] == \"1\"",
"S[i]",
"S",
"i",
"\"1\"",
"Z.append(1)",
"Z.append",
"Z",
"append",
"1",
"elif S[i] == \"B\":\n if len(Z)== 0:\n pass\n else:\n Z.pop()\n ",
"S[i] == \"B\"",
"S[i]",
"S",
"i",
"\"B\"",
"if len(Z)== 0:\n pass\n else:\n Z.pop()\n ",
"len(Z)== 0",
"len(Z)",
"len",
"Z",
"0",
"Z.pop()",
"Z.pop",
"Z",
"pop",
"i += 1",
"i",
"1",
"i = 0",
"i",
"0",
"X = len(Z)",
"X",
"len(Z)",
"len",
"Z",
"while i < X:\n print(Z[i] , end =\"\")\n i +=1",
"i < X",
"i",
"X",
"print(Z[i] , end =\"\")",
"print",
"Z[i]",
"Z",
"i",
"end =\"\"",
"end",
"\"\"",
"i +=1",
"i",
"1",
"X = len(S)",
"len(S)",
"X",
"i = 0",
"0",
"i",
"Z = []",
"[]",
"Z",
"i = 0",
"0",
"i",
"i += 1",
"1",
"i",
"X = len(Z)",
"len(Z)",
"X",
"S = input()",
"input()",
"S",
"i +=1",
"1",
"i"
] | S = input()
Z = []
X = len(S)
i = 0
while i < X :
if S[i] == "0":
Z.append(0)
elif S[i] == "1":
Z.append(1)
elif S[i] == "B":
if len(Z)== 0:
pass
else:
Z.pop()
i += 1
i = 0
X = len(Z)
while i < X:
print(Z[i] , end ="")
i +=1 |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
13,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
4,
13
] | [
[
46,
2
],
[
43,
6
],
[
10,
9
],
[
47,
9
],
[
9,
13
],
[
44,
17
],
[
9,
22
],
[
44,
26
],
[
44,
33
],
[
44,
41
],
[
43,
44
],
[
46,
47
]
] | [
"S = input()\n\nres = []\nfor s in S:\n if s == \"0\":\n res.append(\"0\")\n elif s == \"1\":\n res.append(\"1\")\n else:\n if res:\n res.pop()\n\nprint(\"\".join(res))",
"S = input()",
"S",
"input()",
"input",
"res = []",
"res",
"[]",
"for s in S:\n if s == \"0\":\n res.append(\"0\")\n elif s == \"1\":\n res.append(\"1\")\n else:\n if res:\n res.pop()",
"s",
"S",
"if s == \"0\":\n res.append(\"0\")\n elif s == \"1\":\n res.append(\"1\")\n else:\n if res:\n res.pop()",
"s == \"0\"",
"s",
"\"0\"",
"res.append(\"0\")",
"res.append",
"res",
"append",
"\"0\"",
"elif s == \"1\":\n res.append(\"1\")\n ",
"s == \"1\"",
"s",
"\"1\"",
"res.append(\"1\")",
"res.append",
"res",
"append",
"\"1\"",
"if res:\n res.pop()",
"res",
"res.pop()",
"res.pop",
"res",
"pop",
"print(\"\".join(res))",
"print",
"\"\".join(res)",
"\"\".join",
"\"\"",
"join",
"res",
"res = []",
"[]",
"res",
"S = input()",
"input()",
"S"
] | S = input()
res = []
for s in S:
if s == "0":
res.append("0")
elif s == "1":
res.append("1")
else:
if res:
res.pop()
print("".join(res)) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
4,
13,
10,
18,
13,
10,
17,
13,
10,
17,
13,
10,
17,
13
] | [
[
39,
2
],
[
45,
6
],
[
10,
9
],
[
40,
9
],
[
9,
13
],
[
48,
16
],
[
9,
20
],
[
51,
23
],
[
9,
27
],
[
42,
30
],
[
52,
32
],
[
49,
32
],
[
46,
32
],
[
43,
32
],
[
43,
37
],
[
52,
37
],
[
49,
37
],
[
46,
37
],
[
39,
40
],
[
42,
43
],
[
45,
46
],
[
48,
49
],
[
51,
52
]
] | [
"S = input()\n\nans = \"\"\nfor s in S:\n if s == \"0\":\n ans += \"0\"\n if s == \"1\":\n ans += \"1\"\n if s == \"B\":\n ans = ans[:-1]\n\nprint(ans)",
"S = input()",
"S",
"input()",
"input",
"ans = \"\"",
"ans",
"\"\"",
"for s in S:\n if s == \"0\":\n ans += \"0\"\n if s == \"1\":\n ans += \"1\"\n if s == \"B\":\n ans = ans[:-1]",
"s",
"S",
"if s == \"0\":\n ans += \"0\"\n ",
"s == \"0\"",
"s",
"\"0\"",
"ans += \"0\"",
"ans",
"\"0\"",
"if s == \"1\":\n ans += \"1\"\n ",
"s == \"1\"",
"s",
"\"1\"",
"ans += \"1\"",
"ans",
"\"1\"",
"if s == \"B\":\n ans = ans[:-1]",
"s == \"B\"",
"s",
"\"B\"",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(ans)",
"print",
"ans",
"S = input()",
"input()",
"S",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"ans = \"\"",
"\"\"",
"ans",
"ans += \"0\"",
"\"0\"",
"ans",
"ans += \"1\"",
"\"1\"",
"ans"
] | S = input()
ans = ""
for s in S:
if s == "0":
ans += "0"
if s == "1":
ans += "1"
if s == "B":
ans = ans[:-1]
print(ans) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
2,
39,
17,
17,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
4,
13,
17,
2,
13,
17,
0,
18,
13,
13,
13,
0,
13,
17,
4,
13,
4,
18,
17,
13,
18,
13,
39,
13,
10,
4,
13,
10,
2,
13,
10,
17,
13,
10,
4,
13,
10,
17,
13
] | [
[
59,
2
],
[
53,
8
],
[
62,
14
],
[
18,
17
],
[
60,
17
],
[
17,
21
],
[
50,
24
],
[
63,
29
],
[
57,
29
],
[
51,
29
],
[
35,
32
],
[
54,
33
],
[
63,
34
],
[
57,
34
],
[
51,
34
],
[
17,
35
],
[
56,
37
],
[
54,
46
],
[
50,
51
],
[
53,
54
],
[
56,
57
],
[
59,
60
],
[
62,
63
]
] | [
"s = list(input())\nans = [\"\"] * 10\nptr = 0\nfor c in s:\n if c == \"B\":\n ptr = max(0,ptr-1)\n else:\n ans[ptr] = c\n ptr += 1\n\nprint(\"\".join(ans[:ptr]))\n ",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"ans = [\"\"] * 10",
"ans",
"[\"\"] * 10",
"[\"\"]",
"\"\"",
"10",
"ptr = 0",
"ptr",
"0",
"for c in s:\n if c == \"B\":\n ptr = max(0,ptr-1)\n else:\n ans[ptr] = c\n ptr += 1",
"c",
"s",
"if c == \"B\":\n ptr = max(0,ptr-1)\n else:\n ans[ptr] = c\n ptr += 1",
"c == \"B\"",
"c",
"\"B\"",
"ptr = max(0,ptr-1)",
"ptr",
"max(0,ptr-1)",
"max",
"0",
"ptr-1",
"ptr",
"1",
"ans[ptr] = c",
"ans[ptr]",
"ans",
"ptr",
"c",
"ptr += 1",
"ptr",
"1",
"print(\"\".join(ans[:ptr]))",
"print",
"\"\".join(ans[:ptr])",
"\"\".join",
"\"\"",
"join",
"ans[:ptr]",
"ans",
":ptr",
"ptr",
"ptr = max(0,ptr-1)",
"max(0,ptr-1)",
"ptr",
"ans = [\"\"] * 10",
"[\"\"] * 10",
"ans",
"ptr += 1",
"1",
"ptr",
"s = list(input())",
"list(input())",
"s",
"ptr = 0",
"0",
"ptr"
] | s = list(input())
ans = [""] * 10
ptr = 0
for c in s:
if c == "B":
ptr = max(0,ptr-1)
else:
ans[ptr] = c
ptr += 1
print("".join(ans[:ptr]))
|
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
14,
40,
13,
39,
4,
18,
13,
13,
14,
2,
13,
39,
4,
13,
17,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
4,
13
] | [
[
59,
2
],
[
56,
6
],
[
10,
9
],
[
60,
9
],
[
9,
13
],
[
57,
17
],
[
9,
22
],
[
57,
26
],
[
9,
31
],
[
57,
35
],
[
57,
39
],
[
57,
43
],
[
57,
54
],
[
56,
57
],
[
59,
60
]
] | [
"s=input()\nl=[]\nfor i in s:\n if i==\"0\":\n l.append(\"0\")\n elif i==\"1\":\n l.append(\"1\")\n elif i==\"B\":\n if l!=[]:\n \tl.pop()\nif l==[]:\n print(\"\")\nelse:\n print(\"\".join(l))",
"s=input()",
"s",
"input()",
"input",
"l=[]",
"l",
"[]",
"for i in s:\n if i==\"0\":\n l.append(\"0\")\n elif i==\"1\":\n l.append(\"1\")\n elif i==\"B\":\n if l!=[]:\n \tl.pop()",
"i",
"s",
"if i==\"0\":\n l.append(\"0\")\n elif i==\"1\":\n l.append(\"1\")\n elif i==\"B\":\n if l!=[]:\n \tl.pop()",
"i==\"0\"",
"i",
"\"0\"",
"l.append(\"0\")",
"l.append",
"l",
"append",
"\"0\"",
"elif i==\"1\":\n l.append(\"1\")\n ",
"i==\"1\"",
"i",
"\"1\"",
"l.append(\"1\")",
"l.append",
"l",
"append",
"\"1\"",
"elif i==\"B\":\n if l!=[]:\n \tl.pop()",
"i==\"B\"",
"i",
"\"B\"",
"if l!=[]:\n \tl.pop()",
"l!=[]",
"l",
"[]",
"l.pop()",
"l.pop",
"l",
"pop",
"if l==[]:\n print(\"\")\nelse:\n print(\"\".join(l))",
"l==[]",
"l",
"[]",
"print(\"\")",
"print",
"\"\"",
"print(\"\".join(l))",
"print",
"\"\".join(l)",
"\"\".join",
"\"\"",
"join",
"l",
"l=[]",
"[]",
"l",
"s=input()",
"input()",
"s"
] | s=input()
l=[]
for i in s:
if i=="0":
l.append("0")
elif i=="1":
l.append("1")
elif i=="B":
if l!=[]:
l.pop()
if l==[]:
print("")
else:
print("".join(l))
|
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
2,
13,
17,
14,
2,
13,
17,
0,
13,
2,
13,
17,
0,
13,
18,
13,
39,
17,
2,
4,
13,
13,
17,
4,
13,
13,
10,
4,
13,
10,
17,
13,
10,
2,
13,
10,
2,
13,
10,
18,
13
] | [
[
44,
2
],
[
47,
6
],
[
10,
9
],
[
45,
9
],
[
9,
13
],
[
50,
16
],
[
48,
18
],
[
57,
18
],
[
54,
18
],
[
51,
18
],
[
9,
22
],
[
53,
25
],
[
48,
27
],
[
57,
27
],
[
54,
27
],
[
51,
27
],
[
56,
30
],
[
48,
32
],
[
57,
32
],
[
54,
32
],
[
51,
32
],
[
48,
38
],
[
57,
38
],
[
54,
38
],
[
51,
38
],
[
57,
42
],
[
54,
42
],
[
51,
42
],
[
48,
42
],
[
44,
45
],
[
47,
48
],
[
50,
51
],
[
53,
54
],
[
56,
57
]
] | [
"s = input()\nr = \"\"\nfor i in s:\n\tif i == '0':\n\t\tr = r+'0'\n\telif i == '1':\n\t\tr = r+'1'\n\telse:\n\t\tr = r[0:len(r)-1]\n\nprint(r)",
"s = input()",
"s",
"input()",
"input",
"r = \"\"",
"r",
"\"\"",
"for i in s:\n\tif i == '0':\n\t\tr = r+'0'\n\telif i == '1':\n\t\tr = r+'1'\n\telse:\n\t\tr = r[0:len(r)-1]",
"i",
"s",
"if i == '0':\n\t\tr = r+'0'\n\telif i == '1':\n\t\tr = r+'1'\n\telse:\n\t\tr = r[0:len(r)-1]",
"i == '0'",
"i",
"'0'",
"r = r+'0'",
"r",
"r+'0'",
"r",
"'0'",
"elif i == '1':\n\t\tr = r+'1'\n\t",
"i == '1'",
"i",
"'1'",
"r = r+'1'",
"r",
"r+'1'",
"r",
"'1'",
"r = r[0:len(r)-1]",
"r",
"r[0:len(r)-1]",
"r",
"0:len(r)-1",
"0",
"len(r)-1",
"len(r)",
"len",
"r",
"1",
"print(r)",
"print",
"r",
"s = input()",
"input()",
"s",
"r = \"\"",
"\"\"",
"r",
"r = r+'0'",
"r+'0'",
"r",
"r = r+'1'",
"r+'1'",
"r",
"r = r[0:len(r)-1]",
"r[0:len(r)-1]",
"r"
] | s = input()
r = ""
for i in s:
if i == '0':
r = r+'0'
elif i == '1':
r = r+'1'
else:
r = r[0:len(r)-1]
print(r) |
[
7,
15,
13,
13,
13,
13,
13,
13,
13,
13,
15,
15,
13,
12,
13,
12,
13,
12,
13,
12,
13,
12,
13,
0,
13,
4,
13,
41,
28,
13,
13,
4,
13,
0,
13,
13,
0,
13,
39,
28,
13,
13,
4,
13,
13,
14,
40,
13,
17,
4,
18,
13,
13,
13,
14,
2,
40,
13,
39,
2,
13,
17,
4,
18,
13,
13,
17,
4,
13,
4,
18,
17,
13,
13,
14,
2,
13,
17,
4,
13,
10,
12,
13,
10,
12,
13,
10,
12,
13,
10,
12,
13,
10,
12,
13
] | [
[
25,
24
],
[
88,
26
],
[
30,
29
],
[
24,
29
],
[
29,
32
],
[
35,
34
],
[
38,
37
],
[
34,
44
],
[
37,
51
],
[
37,
57
],
[
37,
64
],
[
37,
73
],
[
82,
79
]
] | [
"import bisect,collections,copy,heapq,itertools,math,numpy,string\nfrom fractions import gcd\nimport sys\ndef I(): return int(sys.stdin.readline().rstrip())\ndef LI(): return list(map(int,sys.stdin.readline().rstrip().split())) # tupleも検討する。\ndef S(): return sys.stdin.readline().rstrip()\ndef LS(): return list(sys.stdin.readline().rstrip().split())\n\n\ndef main():\n N = S()\n L = [i for i in N]\n ans = []\n\n for i, num in enumerate(L):\n if(num != \"B\"):\n ans.append(num)\n if(ans != [] and num == \"B\"):\n ans.pop(-1)\n\n print(\"\".join(ans))\n\nif __name__ == '__main__':\n main()",
"import bisect,collections,copy,heapq,itertools,math,numpy,string",
"bisect",
"collections",
"copy",
"heapq",
"itertools",
"math",
"numpy",
"string",
"from fractions import gcd",
"import sys",
"sys",
"def I(): return int(sys.stdin.readline().rstrip())",
"I",
"def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) # tupleも検討する。",
"LI",
"def S(): return sys.stdin.readline().rstrip()",
"S",
"def LS(): return list(sys.stdin.readline().rstrip().split())",
"LS",
"def main():\n N = S()\n L = [i for i in N]\n ans = []\n\n for i, num in enumerate(L):\n if(num != \"B\"):\n ans.append(num)\n if(ans != [] and num == \"B\"):\n ans.pop(-1)\n\n print(\"\".join(ans))",
"main",
"N = S()",
"N",
"S()",
"S",
"i for i in N",
"for i in N",
"i",
"N",
"for i in N",
"i",
"L = [i for i in N]",
"L",
"[i for i in N]",
"ans = []",
"ans",
"[]",
"for i, num in enumerate(L):\n if(num != \"B\"):\n ans.append(num)\n if(ans != [] and num == \"B\"):\n ans.pop(-1)\n\n ",
"i",
"num",
"enumerate(L)",
"enumerate",
"L",
"if(num != \"B\"):\n ans.append(num)\n ",
"num != \"B\"",
"num",
"\"B\"",
"ans.append(num)",
"ans.append",
"ans",
"append",
"num",
"if(ans != [] and num == \"B\"):\n ans.pop(-1)\n\n ",
"ans != [] and num == \"B\"",
"ans != []",
"ans",
"[]",
"num == \"B\"",
"num",
"\"B\"",
"ans.pop(-1)",
"ans.pop",
"ans",
"pop",
"-1",
"print(\"\".join(ans))",
"print",
"\"\".join(ans)",
"\"\".join",
"\"\"",
"join",
"ans",
"if __name__ == '__main__':\n main()",
"__name__ == '__main__'",
"__name__",
"'__main__'",
"main()",
"main",
"def main():\n N = S()\n L = [i for i in N]\n ans = []\n\n for i, num in enumerate(L):\n if(num != \"B\"):\n ans.append(num)\n if(ans != [] and num == \"B\"):\n ans.pop(-1)\n\n print(\"\".join(ans))",
"def main():\n N = S()\n L = [i for i in N]\n ans = []\n\n for i, num in enumerate(L):\n if(num != \"B\"):\n ans.append(num)\n if(ans != [] and num == \"B\"):\n ans.pop(-1)\n\n print(\"\".join(ans))",
"main",
"def LS(): return list(sys.stdin.readline().rstrip().split())",
"def LS(): return list(sys.stdin.readline().rstrip().split())",
"LS",
"def S(): return sys.stdin.readline().rstrip()",
"def S(): return sys.stdin.readline().rstrip()",
"S",
"def I(): return int(sys.stdin.readline().rstrip())",
"def I(): return int(sys.stdin.readline().rstrip())",
"I",
"def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) # tupleも検討する。",
"def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) # tupleも検討する。",
"LI"
] | import bisect,collections,copy,heapq,itertools,math,numpy,string
from fractions import gcd
import sys
def I(): return int(sys.stdin.readline().rstrip())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) # tupleも検討する。
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def main():
N = S()
L = [i for i in N]
ans = []
for i, num in enumerate(L):
if(num != "B"):
ans.append(num)
if(ans != [] and num == "B"):
ans.pop(-1)
print("".join(ans))
if __name__ == '__main__':
main() |
[
7,
0,
13,
39,
28,
13,
4,
13,
14,
2,
17,
13,
14,
13,
4,
18,
13,
13,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13
] | [
[
31,
2
],
[
6,
5
],
[
5,
11
],
[
32,
16
],
[
32,
20
],
[
5,
22
],
[
32,
29
],
[
31,
32
]
] | [
"r = []\nfor i in input():\n if 'B' == i:\n if r:\n r.pop()\n else:\n r.append(i)\nprint(''.join(r))",
"r = []",
"r",
"[]",
"for i in input():\n if 'B' == i:\n if r:\n r.pop()\n else:\n r.append(i)",
"i",
"input()",
"input",
"if 'B' == i:\n if r:\n r.pop()\n else:\n r.append(i)",
"'B' == i",
"'B'",
"i",
"if r:\n r.pop()\n ",
"r",
"r.pop()",
"r.pop",
"r",
"pop",
"r.append(i)",
"r.append",
"r",
"append",
"i",
"print(''.join(r))",
"print",
"''.join(r)",
"''.join",
"''",
"join",
"r",
"r = []",
"[]",
"r"
] | r = []
for i in input():
if 'B' == i:
if r:
r.pop()
else:
r.append(i)
print(''.join(r)) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
40,
2,
13,
17,
4,
18,
13,
13,
13,
9,
14,
40,
13,
9,
0,
13,
18,
13,
39,
17,
4,
13,
4,
18,
17,
13,
13,
10,
18,
13,
10,
4,
13,
10,
39,
13
] | [
[
43,
2
],
[
46,
6
],
[
10,
9
],
[
44,
9
],
[
9,
14
],
[
47,
18
],
[
41,
18
],
[
9,
20
],
[
47,
24
],
[
41,
24
],
[
40,
27
],
[
47,
29
],
[
41,
29
],
[
41,
38
],
[
47,
38
],
[
40,
41
],
[
43,
44
],
[
46,
47
]
] | [
"S = input()\nAns = []\nfor s in S:\n if not s=='B':\n Ans.append(s)\n continue\n if not Ans:\n continue\n Ans = Ans[:-1]\n\nprint(''.join(Ans))",
"S = input()",
"S",
"input()",
"input",
"Ans = []",
"Ans",
"[]",
"for s in S:\n if not s=='B':\n Ans.append(s)\n continue\n if not Ans:\n continue\n Ans = Ans[:-1]",
"s",
"S",
"if not s=='B':\n Ans.append(s)\n continue\n ",
"not s=='B'",
"s=='B'",
"s",
"'B'",
"Ans.append(s)",
"Ans.append",
"Ans",
"append",
"s",
"continue",
"if not Ans:\n continue\n ",
"not Ans",
"Ans",
"continue",
"Ans = Ans[:-1]",
"Ans",
"Ans[:-1]",
"Ans",
":-1",
"-1",
"print(''.join(Ans))",
"print",
"''.join(Ans)",
"''.join",
"''",
"join",
"Ans",
"Ans = Ans[:-1]",
"Ans[:-1]",
"Ans",
"S = input()",
"input()",
"S",
"Ans = []",
"[]",
"Ans"
] | S = input()
Ans = []
for s in S:
if not s=='B':
Ans.append(s)
continue
if not Ans:
continue
Ans = Ans[:-1]
print(''.join(Ans))
|
[
7,
0,
13,
4,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
40,
13,
17,
4,
18,
13,
13,
13,
14,
2,
2,
13,
17,
40,
13,
39,
4,
18,
13,
13,
9,
4,
13,
31,
13,
0,
13,
17,
10,
39,
13,
10,
4,
13
] | [
[
48,
2
],
[
45,
10
],
[
14,
13
],
[
49,
13
],
[
13,
17
],
[
46,
21
],
[
13,
23
],
[
13,
27
],
[
46,
30
],
[
46,
34
],
[
46,
40
],
[
43,
42
],
[
45,
46
],
[
48,
49
]
] | [
"# -*- coding: utf-8 -*-\n\ns = list(str(input()))\nc = []\n\nfor x in s:\n if x != 'B':\n c.append(x)\n elif x == 'B' and c != []:\n c.pop()\n else:\n continue\n\n\nprint(*c, sep='')",
"s = list(str(input()))",
"s",
"list(str(input()))",
"list",
"str(input())",
"str",
"input()",
"input",
"c = []",
"c",
"[]",
"for x in s:\n if x != 'B':\n c.append(x)\n elif x == 'B' and c != []:\n c.pop()\n else:\n continue",
"x",
"s",
"if x != 'B':\n c.append(x)\n elif x == 'B' and c != []:\n c.pop()\n else:\n continue",
"x != 'B'",
"x",
"'B'",
"c.append(x)",
"c.append",
"c",
"append",
"x",
"elif x == 'B' and c != []:\n c.pop()\n ",
"x == 'B' and c != []",
"x == 'B'",
"x",
"'B'",
"c != []",
"c",
"[]",
"c.pop()",
"c.pop",
"c",
"pop",
"continue",
"print(*c, sep='')",
"print",
"*c",
"c",
"sep=''",
"sep",
"''",
"c = []",
"[]",
"c",
"s = list(str(input()))",
"list(str(input()))",
"s"
] | # -*- coding: utf-8 -*-
s = list(str(input()))
c = []
for x in s:
if x != 'B':
c.append(x)
elif x == 'B' and c != []:
c.pop()
else:
continue
print(*c, sep='') |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
14,
2,
13,
39,
9,
4,
18,
13,
13,
17,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
63,
2
],
[
66,
8
],
[
12,
11
],
[
64,
16
],
[
64,
20
],
[
11,
21
],
[
67,
25
],
[
64,
31
],
[
11,
32
],
[
67,
36
],
[
64,
42
],
[
11,
43
],
[
67,
47
],
[
67,
52
],
[
67,
61
],
[
63,
64
],
[
66,
67
]
] | [
"a = list(input())\nans = []\nfor i in range(len(a)):\n if a[i] == '0':\n ans.append('0')\n elif a[i] == '1':\n ans.append('1')\n elif a[i] == 'B':\n if ans == []:\n continue\n else:\n ans.pop(-1)\nprint(''.join(ans))",
"a = list(input())",
"a",
"list(input())",
"list",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for i in range(len(a)):\n if a[i] == '0':\n ans.append('0')\n elif a[i] == '1':\n ans.append('1')\n elif a[i] == 'B':\n if ans == []:\n continue\n else:\n ans.pop(-1)",
"i",
"range(len(a))",
"range",
"len(a)",
"len",
"a",
"if a[i] == '0':\n ans.append('0')\n elif a[i] == '1':\n ans.append('1')\n elif a[i] == 'B':\n if ans == []:\n continue\n else:\n ans.pop(-1)",
"a[i] == '0'",
"a[i]",
"a",
"i",
"'0'",
"ans.append('0')",
"ans.append",
"ans",
"append",
"'0'",
"elif a[i] == '1':\n ans.append('1')\n ",
"a[i] == '1'",
"a[i]",
"a",
"i",
"'1'",
"ans.append('1')",
"ans.append",
"ans",
"append",
"'1'",
"elif a[i] == 'B':\n if ans == []:\n continue\n else:\n ans.pop(-1)",
"a[i] == 'B'",
"a[i]",
"a",
"i",
"'B'",
"if ans == []:\n continue\n else:\n ans.pop(-1)",
"ans == []",
"ans",
"[]",
"continue",
"ans.pop(-1)",
"ans.pop",
"ans",
"pop",
"-1",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"a = list(input())",
"list(input())",
"a",
"ans = []",
"[]",
"ans"
] | a = list(input())
ans = []
for i in range(len(a)):
if a[i] == '0':
ans.append('0')
elif a[i] == '1':
ans.append('1')
elif a[i] == 'B':
if ans == []:
continue
else:
ans.pop(-1)
print(''.join(ans)) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
0,
13,
18,
13,
39,
17,
4,
18,
13,
13,
13,
4,
13,
31,
13,
0,
13,
17,
10,
18,
13,
10,
4,
13,
10,
39,
13
] | [
[
37,
2
],
[
40,
6
],
[
10,
9
],
[
38,
9
],
[
9,
13
],
[
34,
16
],
[
41,
18
],
[
35,
18
],
[
41,
23
],
[
35,
23
],
[
9,
25
],
[
35,
29
],
[
41,
29
],
[
32,
31
],
[
34,
35
],
[
37,
38
],
[
40,
41
]
] | [
"X = input()\ntext = []\n\nfor i in X:\n if i == 'B':\n text = text[:-1]\n else:\n text.append(i)\nprint(*text, sep='')",
"X = input()",
"X",
"input()",
"input",
"text = []",
"text",
"[]",
"for i in X:\n if i == 'B':\n text = text[:-1]\n else:\n text.append(i)",
"i",
"X",
"if i == 'B':\n text = text[:-1]\n else:\n text.append(i)",
"i == 'B'",
"i",
"'B'",
"text = text[:-1]",
"text",
"text[:-1]",
"text",
":-1",
"-1",
"text.append(i)",
"text.append",
"text",
"append",
"i",
"print(*text, sep='')",
"print",
"*text",
"text",
"sep=''",
"sep",
"''",
"text = text[:-1]",
"text[:-1]",
"text",
"X = input()",
"input()",
"X",
"text = []",
"[]",
"text"
] | X = input()
text = []
for i in X:
if i == 'B':
text = text[:-1]
else:
text.append(i)
print(*text, sep='') |
[
7,
0,
13,
17,
28,
13,
4,
13,
14,
2,
13,
17,
14,
40,
13,
17,
0,
13,
18,
13,
39,
17,
0,
13,
13,
4,
13,
13,
10,
13,
13,
10,
18,
13,
10,
17,
13
] | [
[
35,
2
],
[
6,
5
],
[
5,
10
],
[
36,
14
],
[
30,
14
],
[
33,
14
],
[
32,
17
],
[
36,
19
],
[
30,
19
],
[
33,
19
],
[
29,
23
],
[
5,
24
],
[
30,
27
],
[
33,
27
],
[
36,
27
],
[
5,
29
],
[
29,
30
],
[
32,
33
],
[
35,
36
]
] | [
"s=''\nfor c in input():\n if c=='B':\n if s!='':\n s=s[:-1]\n else:\n s+=c\nprint(s)",
"s=''",
"s",
"''",
"for c in input():\n if c=='B':\n if s!='':\n s=s[:-1]\n else:\n s+=c",
"c",
"input()",
"input",
"if c=='B':\n if s!='':\n s=s[:-1]\n else:\n s+=c",
"c=='B'",
"c",
"'B'",
"if s!='':\n s=s[:-1]\n ",
"s!=''",
"s",
"''",
"s=s[:-1]",
"s",
"s[:-1]",
"s",
":-1",
"-1",
"s+=c",
"s",
"c",
"print(s)",
"print",
"s",
"s+=c",
"c",
"s",
"s=s[:-1]",
"s[:-1]",
"s",
"s=''",
"''",
"s"
] | s=''
for c in input():
if c=='B':
if s!='':
s=s[:-1]
else:
s+=c
print(s)
|
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
4,
13,
13,
17,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
57,
2
],
[
60,
8
],
[
12,
11
],
[
58,
16
],
[
58,
20
],
[
11,
21
],
[
61,
25
],
[
58,
31
],
[
11,
32
],
[
61,
36
],
[
61,
43
],
[
61,
47
],
[
61,
55
],
[
57,
58
],
[
60,
61
]
] | [
"s = list(input())\noutput = []\nfor i in range(len(s)):\n if s[i] == \"0\":\n output.append(\"0\")\n elif s[i] == \"1\":\n output.append(\"1\")\n else:\n if len(output) > 0:\n output.pop()\n else:\n pass\nprint(\"\".join(output))",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"output = []",
"output",
"[]",
"for i in range(len(s)):\n if s[i] == \"0\":\n output.append(\"0\")\n elif s[i] == \"1\":\n output.append(\"1\")\n else:\n if len(output) > 0:\n output.pop()\n else:\n pass",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] == \"0\":\n output.append(\"0\")\n elif s[i] == \"1\":\n output.append(\"1\")\n else:\n if len(output) > 0:\n output.pop()\n else:\n pass",
"s[i] == \"0\"",
"s[i]",
"s",
"i",
"\"0\"",
"output.append(\"0\")",
"output.append",
"output",
"append",
"\"0\"",
"elif s[i] == \"1\":\n output.append(\"1\")\n ",
"s[i] == \"1\"",
"s[i]",
"s",
"i",
"\"1\"",
"output.append(\"1\")",
"output.append",
"output",
"append",
"\"1\"",
"if len(output) > 0:\n output.pop()\n else:\n pass",
"len(output) > 0",
"len(output)",
"len",
"output",
"0",
"output.pop()",
"output.pop",
"output",
"pop",
"print(\"\".join(output))",
"print",
"\"\".join(output)",
"\"\".join",
"\"\"",
"join",
"output",
"s = list(input())",
"list(input())",
"s",
"output = []",
"[]",
"output"
] | s = list(input())
output = []
for i in range(len(s)):
if s[i] == "0":
output.append("0")
elif s[i] == "1":
output.append("1")
else:
if len(output) > 0:
output.pop()
else:
pass
print("".join(output)) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
4,
13,
4,
13,
13,
14,
2,
2,
18,
13,
13,
17,
2,
18,
13,
13,
17,
0,
13,
18,
13,
13,
14,
2,
2,
18,
13,
13,
17,
40,
4,
13,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
17,
13,
10,
18,
13,
10,
4,
13,
10,
18,
13
] | [
[
60,
2
],
[
54,
6
],
[
10,
9
],
[
61,
14
],
[
61,
19
],
[
9,
20
],
[
61,
24
],
[
9,
25
],
[
57,
28
],
[
61,
30
],
[
9,
31
],
[
61,
36
],
[
9,
37
],
[
55,
42
],
[
64,
42
],
[
58,
42
],
[
63,
45
],
[
55,
47
],
[
64,
47
],
[
58,
47
],
[
64,
52
],
[
58,
52
],
[
55,
52
],
[
54,
55
],
[
57,
58
],
[
60,
61
],
[
63,
64
]
] | [
"s = input()\nres = \"\"\nfor i in range(len(s)):\n if s[i] == \"1\" or s[i] == \"0\":\n res += s[i]\n elif s[i] == \"B\" and len(res) != 0:\n res = res[:-1]\n\nprint(res)",
"s = input()",
"s",
"input()",
"input",
"res = \"\"",
"res",
"\"\"",
"for i in range(len(s)):\n if s[i] == \"1\" or s[i] == \"0\":\n res += s[i]\n elif s[i] == \"B\" and len(res) != 0:\n res = res[:-1]",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] == \"1\" or s[i] == \"0\":\n res += s[i]\n elif s[i] == \"B\" and len(res) != 0:\n res = res[:-1]",
"s[i] == \"1\" or s[i] == \"0\"",
"s[i] == \"1\"",
"s[i]",
"s",
"i",
"\"1\"",
"s[i] == \"0\"",
"s[i]",
"s",
"i",
"\"0\"",
"res += s[i]",
"res",
"s[i]",
"s",
"i",
"elif s[i] == \"B\" and len(res) != 0:\n res = res[:-1]",
"s[i] == \"B\" and len(res) != 0",
"s[i] == \"B\"",
"s[i]",
"s",
"i",
"\"B\"",
"len(res) != 0",
"len(res)",
"len",
"res",
"0",
"res = res[:-1]",
"res",
"res[:-1]",
"res",
":-1",
"-1",
"print(res)",
"print",
"res",
"res = \"\"",
"\"\"",
"res",
"res += s[i]",
"s[i]",
"res",
"s = input()",
"input()",
"s",
"res = res[:-1]",
"res[:-1]",
"res"
] | s = input()
res = ""
for i in range(len(s)):
if s[i] == "1" or s[i] == "0":
res += s[i]
elif s[i] == "B" and len(res) != 0:
res = res[:-1]
print(res)
|
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
17,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
0,
13,
18,
13,
39,
2,
4,
13,
13,
17,
0,
13,
18,
13,
13,
4,
13,
13,
10,
4,
13,
10,
17,
13,
10,
18,
13,
10,
18,
13
] | [
[
42,
2
],
[
45,
8
],
[
12,
11
],
[
43,
16
],
[
43,
20
],
[
11,
21
],
[
48,
24
],
[
46,
26
],
[
52,
26
],
[
49,
26
],
[
46,
31
],
[
52,
31
],
[
49,
31
],
[
51,
34
],
[
43,
36
],
[
11,
37
],
[
52,
40
],
[
49,
40
],
[
46,
40
],
[
42,
43
],
[
45,
46
],
[
48,
49
],
[
51,
52
]
] | [
"S=str(input())\nans=\"\"\nfor i in range(len(S)):\n if S[i]==\"B\":\n ans=ans[:len(ans)-1]\n else:\n ans+=S[i]\nprint(ans)",
"S=str(input())",
"S",
"str(input())",
"str",
"input()",
"input",
"ans=\"\"",
"ans",
"\"\"",
"for i in range(len(S)):\n if S[i]==\"B\":\n ans=ans[:len(ans)-1]\n else:\n ans+=S[i]",
"i",
"range(len(S))",
"range",
"len(S)",
"len",
"S",
"if S[i]==\"B\":\n ans=ans[:len(ans)-1]\n else:\n ans+=S[i]",
"S[i]==\"B\"",
"S[i]",
"S",
"i",
"\"B\"",
"ans=ans[:len(ans)-1]",
"ans",
"ans[:len(ans)-1]",
"ans",
":len(ans)-1",
"len(ans)-1",
"len(ans)",
"len",
"ans",
"1",
"ans+=S[i]",
"ans",
"S[i]",
"S",
"i",
"print(ans)",
"print",
"ans",
"S=str(input())",
"str(input())",
"S",
"ans=\"\"",
"\"\"",
"ans",
"ans=ans[:len(ans)-1]",
"ans[:len(ans)-1]",
"ans",
"ans+=S[i]",
"S[i]",
"ans"
] | S=str(input())
ans=""
for i in range(len(S)):
if S[i]=="B":
ans=ans[:len(ans)-1]
else:
ans+=S[i]
print(ans) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
39,
28,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
39,
9,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
4,
13,
10,
4,
13
] | [
[
62,
2
],
[
65,
8
],
[
63,
11
],
[
59,
13
],
[
17,
16
],
[
66,
19
],
[
63,
23
],
[
16,
24
],
[
60,
28
],
[
63,
34
],
[
16,
35
],
[
60,
39
],
[
60,
44
],
[
60,
49
],
[
60,
57
],
[
59,
60
],
[
62,
63
],
[
65,
66
]
] | [
"s = list(input())\nn = len(s)\n\nans = []\nfor i in range(n):\n if s[i] == '0':\n ans.append('0')\n elif s[i] == '1':\n ans.append('1')\n elif ans == []:\n continue\n else:\n ans.pop()\n \nprint(''.join(ans))\n ",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"n = len(s)",
"n",
"len(s)",
"len",
"s",
"ans = []",
"ans",
"[]",
"for i in range(n):\n if s[i] == '0':\n ans.append('0')\n elif s[i] == '1':\n ans.append('1')\n elif ans == []:\n continue\n else:\n ans.pop()\n ",
"i",
"range(n)",
"range",
"n",
"if s[i] == '0':\n ans.append('0')\n elif s[i] == '1':\n ans.append('1')\n elif ans == []:\n continue\n else:\n ans.pop()\n ",
"s[i] == '0'",
"s[i]",
"s",
"i",
"'0'",
"ans.append('0')",
"ans.append",
"ans",
"append",
"'0'",
"elif s[i] == '1':\n ans.append('1')\n ",
"s[i] == '1'",
"s[i]",
"s",
"i",
"'1'",
"ans.append('1')",
"ans.append",
"ans",
"append",
"'1'",
"elif ans == []:\n continue\n ",
"ans == []",
"ans",
"[]",
"continue",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"ans = []",
"[]",
"ans",
"s = list(input())",
"list(input())",
"s",
"n = len(s)",
"len(s)",
"n"
] | s = list(input())
n = len(s)
ans = []
for i in range(n):
if s[i] == '0':
ans.append('0')
elif s[i] == '1':
ans.append('1')
elif ans == []:
continue
else:
ans.pop()
print(''.join(ans))
|
[
7,
0,
13,
39,
0,
13,
4,
13,
4,
13,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
4,
13,
13,
17,
4,
18,
13,
13,
0,
13,
4,
18,
17,
13,
13,
4,
13,
13,
10,
39,
13,
10,
4,
13,
10,
4,
13
] | [
[
52,
2
],
[
58,
5
],
[
12,
11
],
[
59,
11
],
[
11,
15
],
[
53,
19
],
[
11,
24
],
[
53,
28
],
[
53,
35
],
[
53,
39
],
[
55,
42
],
[
53,
47
],
[
56,
50
],
[
52,
53
],
[
55,
56
],
[
58,
59
]
] | [
"s=[]\na=list(input())\n\nfor i in a:\n if i=='0':\n s.append('0')\n elif i=='1':\n s.append('1')\n else:\n if len(s)==0:\n pass\n else:\n s.pop()\n\nb=\"\".join(s)\nprint(b)",
"s=[]",
"s",
"[]",
"a=list(input())",
"a",
"list(input())",
"list",
"input()",
"input",
"for i in a:\n if i=='0':\n s.append('0')\n elif i=='1':\n s.append('1')\n else:\n if len(s)==0:\n pass\n else:\n s.pop()",
"i",
"a",
"if i=='0':\n s.append('0')\n elif i=='1':\n s.append('1')\n else:\n if len(s)==0:\n pass\n else:\n s.pop()",
"i=='0'",
"i",
"'0'",
"s.append('0')",
"s.append",
"s",
"append",
"'0'",
"elif i=='1':\n s.append('1')\n ",
"i=='1'",
"i",
"'1'",
"s.append('1')",
"s.append",
"s",
"append",
"'1'",
"if len(s)==0:\n pass\n else:\n s.pop()",
"len(s)==0",
"len(s)",
"len",
"s",
"0",
"s.pop()",
"s.pop",
"s",
"pop",
"b=\"\".join(s)",
"b",
"\"\".join(s)",
"\"\".join",
"\"\"",
"join",
"s",
"print(b)",
"print",
"b",
"s=[]",
"[]",
"s",
"b=\"\".join(s)",
"\"\".join(s)",
"b",
"a=list(input())",
"list(input())",
"a"
] | s=[]
a=list(input())
for i in a:
if i=='0':
s.append('0')
elif i=='1':
s.append('1')
else:
if len(s)==0:
pass
else:
s.pop()
b="".join(s)
print(b) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
0,
13,
17,
14,
40,
13,
17,
0,
13,
18,
13,
39,
2,
4,
13,
13,
17,
4,
13,
13,
10,
17,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13,
10,
18,
13
] | [
[
48,
2
],
[
54,
8
],
[
12,
11
],
[
49,
11
],
[
11,
15
],
[
45,
18
],
[
11,
22
],
[
51,
25
],
[
55,
29
],
[
58,
29
],
[
52,
29
],
[
46,
29
],
[
57,
32
],
[
55,
34
],
[
58,
34
],
[
52,
34
],
[
46,
34
],
[
55,
39
],
[
58,
39
],
[
52,
39
],
[
46,
39
],
[
58,
43
],
[
52,
43
],
[
46,
43
],
[
55,
43
],
[
45,
46
],
[
48,
49
],
[
51,
52
],
[
54,
55
],
[
57,
58
]
] | [
"s = list(input())\n\nans = ''\nfor i in s:\n if i == '0':\n ans += '0'\n elif i == '1':\n ans += '1'\n elif ans != '':\n ans = ans[:len(ans) - 1]\n\nprint(ans)",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"ans = ''",
"ans",
"''",
"for i in s:\n if i == '0':\n ans += '0'\n elif i == '1':\n ans += '1'\n elif ans != '':\n ans = ans[:len(ans) - 1]",
"i",
"s",
"if i == '0':\n ans += '0'\n elif i == '1':\n ans += '1'\n elif ans != '':\n ans = ans[:len(ans) - 1]",
"i == '0'",
"i",
"'0'",
"ans += '0'",
"ans",
"'0'",
"elif i == '1':\n ans += '1'\n ",
"i == '1'",
"i",
"'1'",
"ans += '1'",
"ans",
"'1'",
"elif ans != '':\n ans = ans[:len(ans) - 1]",
"ans != ''",
"ans",
"''",
"ans = ans[:len(ans) - 1]",
"ans",
"ans[:len(ans) - 1]",
"ans",
":len(ans) - 1",
"len(ans) - 1",
"len(ans)",
"len",
"ans",
"1",
"print(ans)",
"print",
"ans",
"ans += '0'",
"'0'",
"ans",
"s = list(input())",
"list(input())",
"s",
"ans += '1'",
"'1'",
"ans",
"ans = ''",
"''",
"ans",
"ans = ans[:len(ans) - 1]",
"ans[:len(ans) - 1]",
"ans"
] | s = list(input())
ans = ''
for i in s:
if i == '0':
ans += '0'
elif i == '1':
ans += '1'
elif ans != '':
ans = ans[:len(ans) - 1]
print(ans) |
[
7,
15,
13,
15,
15,
12,
13,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
14,
13,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
0,
13,
17,
28,
13,
4,
13,
17,
2,
13,
17,
0,
13,
4,
13,
17,
10,
4,
13,
10,
17,
13,
10,
12,
13
] | [
[
9,
8
],
[
13,
12
],
[
16,
15
],
[
8,
15
],
[
15,
19
],
[
12,
25
],
[
15,
27
],
[
12,
34
],
[
55,
36
],
[
40,
39
],
[
56,
44
],
[
52,
47
],
[
59,
49
],
[
52,
53
],
[
55,
56
]
] | [
"# -*- coding: utf-8 -*-\nimport sys\nfrom collections import deque, defaultdict\nfrom math import sqrt, factorial\n# def input(): return sys.stdin.readline()[:-1] # warning not \\n\n# def input(): return sys.stdin.buffer.readline().strip() # warning bytes\n# def input(): return sys.stdin.buffer.readline().decode('utf-8')\n\n\ndef solve():\n s = input()\n a = []\n for e in s:\n if e == 'B':\n if a: a.pop()\n else:\n a.append(e)\n print(''.join(a))\n \n\n\nt = 1\n# t = int(input())\nfor case in range(1,t+1):\n ans = solve()\n\n\n\"\"\"\n\n\n\n\"\"\"",
"import sys",
"sys",
"from collections import deque, defaultdict",
"from math import sqrt, factorial",
"def solve():\n s = input()\n a = []\n for e in s:\n if e == 'B':\n if a: a.pop()\n else:\n a.append(e)\n print(''.join(a))\n ",
"solve",
"s = input()",
"s",
"input()",
"input",
"a = []",
"a",
"[]",
"for e in s:\n if e == 'B':\n if a: a.pop()\n else:\n a.append(e)\n ",
"e",
"s",
"if e == 'B':\n if a: a.pop()\n else:\n a.append(e)\n ",
"e == 'B'",
"e",
"'B'",
"if a: a.pop()\n ",
"a",
"a.append(e)",
"a.append",
"a",
"append",
"e",
"print(''.join(a))",
"print",
"''.join(a)",
"''.join",
"''",
"join",
"a",
"t = 1",
"t",
"1",
"for case in range(1,t+1):\n ans = solve()",
"case",
"range(1,t+1)",
"range",
"1",
"t+1",
"t",
"1",
"ans = solve()",
"ans",
"solve()",
"solve",
"\"\"\"\n\n\n\n\"\"\"",
"ans = solve()",
"solve()",
"ans",
"t = 1",
"1",
"t",
"def solve():\n s = input()\n a = []\n for e in s:\n if e == 'B':\n if a: a.pop()\n else:\n a.append(e)\n print(''.join(a))\n ",
"def solve():\n s = input()\n a = []\n for e in s:\n if e == 'B':\n if a: a.pop()\n else:\n a.append(e)\n print(''.join(a))\n ",
"solve"
] | # -*- coding: utf-8 -*-
import sys
from collections import deque, defaultdict
from math import sqrt, factorial
# def input(): return sys.stdin.readline()[:-1] # warning not \n
# def input(): return sys.stdin.buffer.readline().strip() # warning bytes
# def input(): return sys.stdin.buffer.readline().decode('utf-8')
def solve():
s = input()
a = []
for e in s:
if e == 'B':
if a: a.pop()
else:
a.append(e)
print(''.join(a))
t = 1
# t = int(input())
for case in range(1,t+1):
ans = solve()
"""
"""
|
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
14,
2,
4,
13,
13,
17,
4,
18,
13,
13,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
38,
2
],
[
41,
6
],
[
10,
9
],
[
39,
9
],
[
9,
13
],
[
42,
19
],
[
42,
23
],
[
42,
27
],
[
9,
29
],
[
42,
36
],
[
38,
39
],
[
41,
42
]
] | [
"S = input()\n\nF = []\nfor ch in S:\n if ch == \"B\": \n if len(F) > 0:\n F.pop()\n else:\n F.append(ch)\n \nprint(\"\".join(F))",
"S = input()",
"S",
"input()",
"input",
"F = []",
"F",
"[]",
"for ch in S:\n if ch == \"B\": \n if len(F) > 0:\n F.pop()\n else:\n F.append(ch)\n ",
"ch",
"S",
"if ch == \"B\": \n if len(F) > 0:\n F.pop()\n else:\n F.append(ch)\n ",
"ch == \"B\"",
"ch",
"\"B\"",
"if len(F) > 0:\n F.pop()\n ",
"len(F) > 0",
"len(F)",
"len",
"F",
"0",
"F.pop()",
"F.pop",
"F",
"pop",
"F.append(ch)",
"F.append",
"F",
"append",
"ch",
"print(\"\".join(F))",
"print",
"\"\".join(F)",
"\"\".join",
"\"\"",
"join",
"F",
"S = input()",
"input()",
"S",
"F = []",
"[]",
"F"
] | S = input()
F = []
for ch in S:
if ch == "B":
if len(F) > 0:
F.pop()
else:
F.append(ch)
print("".join(F)) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
4,
13,
28,
13,
13,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
0,
13,
17,
14,
40,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
18,
13,
10,
17,
13,
10,
17,
13,
10,
4,
13,
10,
4,
13
] | [
[
51,
2
],
[
54,
8
],
[
13,
12
],
[
52,
12
],
[
12,
16
],
[
45,
19
],
[
12,
23
],
[
48,
26
],
[
55,
30
],
[
43,
30
],
[
49,
30
],
[
46,
30
],
[
42,
33
],
[
55,
35
],
[
43,
35
],
[
49,
35
],
[
46,
35
],
[
43,
40
],
[
49,
40
],
[
46,
40
],
[
55,
40
],
[
42,
43
],
[
45,
46
],
[
48,
49
],
[
51,
52
],
[
54,
55
]
] | [
"S=list(input())\nans=str()\nfor i in S:\n if i==\"0\":\n ans+=\"0\"\n elif i==\"1\":\n ans+=\"1\"\n else:\n if ans!=\"\":\n ans=ans[:-1]\nprint(ans)",
"S=list(input())",
"S",
"list(input())",
"list",
"input()",
"input",
"ans=str()",
"ans",
"str()",
"str",
"for i in S:\n if i==\"0\":\n ans+=\"0\"\n elif i==\"1\":\n ans+=\"1\"\n else:\n if ans!=\"\":\n ans=ans[:-1]",
"i",
"S",
"if i==\"0\":\n ans+=\"0\"\n elif i==\"1\":\n ans+=\"1\"\n else:\n if ans!=\"\":\n ans=ans[:-1]",
"i==\"0\"",
"i",
"\"0\"",
"ans+=\"0\"",
"ans",
"\"0\"",
"elif i==\"1\":\n ans+=\"1\"\n ",
"i==\"1\"",
"i",
"\"1\"",
"ans+=\"1\"",
"ans",
"\"1\"",
"if ans!=\"\":\n ans=ans[:-1]",
"ans!=\"\"",
"ans",
"\"\"",
"ans=ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(ans)",
"print",
"ans",
"ans=ans[:-1]",
"ans[:-1]",
"ans",
"ans+=\"0\"",
"\"0\"",
"ans",
"ans+=\"1\"",
"\"1\"",
"ans",
"S=list(input())",
"list(input())",
"S",
"ans=str()",
"str()",
"ans"
] | S=list(input())
ans=str()
for i in S:
if i=="0":
ans+="0"
elif i=="1":
ans+="1"
else:
if ans!="":
ans=ans[:-1]
print(ans) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
40,
13,
17,
0,
13,
13,
14,
40,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
18,
13,
10,
17,
13,
10,
13,
13,
10,
4,
13
] | [
[
41,
2
],
[
35,
6
],
[
10,
9
],
[
42,
9
],
[
9,
13
],
[
38,
16
],
[
9,
17
],
[
36,
20
],
[
33,
20
],
[
39,
20
],
[
32,
23
],
[
36,
25
],
[
33,
25
],
[
39,
25
],
[
33,
30
],
[
39,
30
],
[
36,
30
],
[
32,
33
],
[
35,
36
],
[
9,
38
],
[
38,
39
],
[
41,
42
]
] | [
"s=input()\nt=''\nfor c in s:\n if c!='B':\n t+=c\n elif t!='':\n t=t[:-1]\nprint(t)",
"s=input()",
"s",
"input()",
"input",
"t=''",
"t",
"''",
"for c in s:\n if c!='B':\n t+=c\n elif t!='':\n t=t[:-1]",
"c",
"s",
"if c!='B':\n t+=c\n elif t!='':\n t=t[:-1]",
"c!='B'",
"c",
"'B'",
"t+=c",
"t",
"c",
"elif t!='':\n t=t[:-1]",
"t!=''",
"t",
"''",
"t=t[:-1]",
"t",
"t[:-1]",
"t",
":-1",
"-1",
"print(t)",
"print",
"t",
"t=t[:-1]",
"t[:-1]",
"t",
"t=''",
"''",
"t",
"t+=c",
"c",
"t",
"s=input()",
"input()",
"s"
] | s=input()
t=''
for c in s:
if c!='B':
t+=c
elif t!='':
t=t[:-1]
print(t) |
[
7,
15,
0,
13,
4,
13,
0,
13,
4,
13,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
14,
40,
4,
13,
13,
17,
4,
18,
13,
13,
0,
13,
4,
18,
17,
13,
13,
4,
13,
13,
10,
4,
13,
10,
4,
13,
10,
4,
13
] | [
[
62,
3
],
[
56,
7
],
[
12,
11
],
[
63,
11
],
[
11,
15
],
[
57,
19
],
[
11,
24
],
[
57,
28
],
[
11,
33
],
[
57,
39
],
[
57,
43
],
[
59,
46
],
[
57,
51
],
[
60,
54
],
[
56,
57
],
[
59,
60
],
[
62,
63
]
] | [
"from collections import deque\ns = input()\nde = deque()\nfor i in s:\n if i == \"0\":\n de.append(\"0\")\n elif i == \"1\":\n de.append(\"1\")\n elif i == \"B\":\n if len(de) != 0:\n de.pop()\nans = \"\".join(de)\nprint(ans)",
"from collections import deque",
"s = input()",
"s",
"input()",
"input",
"de = deque()",
"de",
"deque()",
"deque",
"for i in s:\n if i == \"0\":\n de.append(\"0\")\n elif i == \"1\":\n de.append(\"1\")\n elif i == \"B\":\n if len(de) != 0:\n de.pop()",
"i",
"s",
"if i == \"0\":\n de.append(\"0\")\n elif i == \"1\":\n de.append(\"1\")\n elif i == \"B\":\n if len(de) != 0:\n de.pop()",
"i == \"0\"",
"i",
"\"0\"",
"de.append(\"0\")",
"de.append",
"de",
"append",
"\"0\"",
"elif i == \"1\":\n de.append(\"1\")\n ",
"i == \"1\"",
"i",
"\"1\"",
"de.append(\"1\")",
"de.append",
"de",
"append",
"\"1\"",
"elif i == \"B\":\n if len(de) != 0:\n de.pop()",
"i == \"B\"",
"i",
"\"B\"",
"if len(de) != 0:\n de.pop()",
"len(de) != 0",
"len(de)",
"len",
"de",
"0",
"de.pop()",
"de.pop",
"de",
"pop",
"ans = \"\".join(de)",
"ans",
"\"\".join(de)",
"\"\".join",
"\"\"",
"join",
"de",
"print(ans)",
"print",
"ans",
"de = deque()",
"deque()",
"de",
"ans = \"\".join(de)",
"\"\".join(de)",
"ans",
"s = input()",
"input()",
"s"
] | from collections import deque
s = input()
de = deque()
for i in s:
if i == "0":
de.append("0")
elif i == "1":
de.append("1")
elif i == "B":
if len(de) != 0:
de.pop()
ans = "".join(de)
print(ans) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
0,
13,
8,
2,
13,
17,
18,
13,
39,
17,
2,
13,
13,
4,
13,
13,
10,
8,
13,
10,
17,
13,
10,
4,
13
] | [
[
34,
2
],
[
31,
6
],
[
10,
9
],
[
35,
9
],
[
28,
12
],
[
9,
15
],
[
32,
18
],
[
29,
18
],
[
32,
22
],
[
29,
22
],
[
9,
23
],
[
29,
26
],
[
32,
26
],
[
28,
29
],
[
31,
32
],
[
34,
35
]
] | [
"s = input()\n\nans = ''\n\nfor i in s:\n ans = ans[:-1] if i == 'B' else ans + i \n\nprint(ans)",
"s = input()",
"s",
"input()",
"input",
"ans = ''",
"ans",
"''",
"for i in s:\n ans = ans[:-1] if i == 'B' else ans + i ",
"i",
"s",
"ans = ans[:-1] if i == 'B' else ans + i",
"ans",
"ans[:-1] if i == 'B' else ans + i",
"i == 'B'",
"i",
"'B'",
"ans[:-1]",
"ans",
":-1",
"-1",
"ans + i",
"ans",
"i",
"print(ans)",
"print",
"ans",
"ans = ans[:-1] if i == 'B' else ans + i",
"ans[:-1] if i == 'B' else ans + i",
"ans",
"ans = ''",
"''",
"ans",
"s = input()",
"input()",
"s"
] | s = input()
ans = ''
for i in s:
ans = ans[:-1] if i == 'B' else ans + i
print(ans) |
[
7,
0,
13,
4,
18,
4,
13,
13,
0,
13,
17,
28,
13,
4,
13,
4,
13,
13,
14,
40,
18,
13,
13,
17,
0,
13,
2,
13,
18,
13,
13,
14,
2,
4,
13,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
4,
13,
10,
2,
13,
10,
18,
13,
10,
17,
13
] | [
[
47,
2
],
[
56,
9
],
[
13,
12
],
[
48,
17
],
[
48,
21
],
[
12,
22
],
[
50,
25
],
[
57,
27
],
[
54,
27
],
[
51,
27
],
[
48,
29
],
[
12,
30
],
[
57,
35
],
[
54,
35
],
[
51,
35
],
[
53,
38
],
[
57,
40
],
[
54,
40
],
[
51,
40
],
[
54,
45
],
[
51,
45
],
[
57,
45
],
[
47,
48
],
[
50,
51
],
[
53,
54
],
[
56,
57
]
] | [
"s = input().strip()\nx = \"\"\nfor i in range(len(s)):\n if s[i]!=\"B\":\n x = x+s[i]\n else:\n if len(x)>0:\n x = x[:-1]\nprint(x)",
"s = input().strip()",
"s",
"input().strip()",
"().strip",
"()",
"input",
"strip",
"x = \"\"",
"x",
"\"\"",
"for i in range(len(s)):\n if s[i]!=\"B\":\n x = x+s[i]\n else:\n if len(x)>0:\n x = x[:-1]",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i]!=\"B\":\n x = x+s[i]\n else:\n if len(x)>0:\n x = x[:-1]",
"s[i]!=\"B\"",
"s[i]",
"s",
"i",
"\"B\"",
"x = x+s[i]",
"x",
"x+s[i]",
"x",
"s[i]",
"s",
"i",
"if len(x)>0:\n x = x[:-1]",
"len(x)>0",
"len(x)",
"len",
"x",
"0",
"x = x[:-1]",
"x",
"x[:-1]",
"x",
":-1",
"-1",
"print(x)",
"print",
"x",
"s = input().strip()",
"input().strip()",
"s",
"x = x+s[i]",
"x+s[i]",
"x",
"x = x[:-1]",
"x[:-1]",
"x",
"x = \"\"",
"\"\"",
"x"
] | s = input().strip()
x = ""
for i in range(len(s)):
if s[i]!="B":
x = x+s[i]
else:
if len(x)>0:
x = x[:-1]
print(x) |
[
7,
0,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
4,
13,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
40,
13,
4,
18,
13,
13,
17,
41,
28,
13,
13,
4,
4,
13,
13,
0,
13,
4,
18,
17,
13,
13,
4,
13,
13,
10,
4,
13,
10,
4,
13,
10,
4,
13,
10,
4,
13
] | [
[
71,
2
],
[
65,
6
],
[
72,
9
],
[
62,
11
],
[
16,
15
],
[
66,
15
],
[
15,
19
],
[
63,
23
],
[
15,
28
],
[
63,
32
],
[
63,
37
],
[
63,
40
],
[
46,
45
],
[
63,
45
],
[
45,
50
],
[
68,
52
],
[
69,
60
],
[
62,
63
],
[
65,
66
],
[
68,
69
],
[
71,
72
]
] | [
"first_str =input()\n\ninput_list = list(first_str)\n\ntotal_list = list()\n\nfor i in input_list:\n if i == \"0\":\n total_list.append(\"0\")\n \n elif i == \"1\":\n total_list.append(\"1\")\n \n else:\n if not total_list:\n pass\n else:\n total_list.pop(-1)\n \ntotal = \"\".join([str(_) for _ in total_list])\nprint(total)",
"first_str =input()",
"first_str",
"input()",
"input",
"input_list = list(first_str)",
"input_list",
"list(first_str)",
"list",
"first_str",
"total_list = list()",
"total_list",
"list()",
"list",
"for i in input_list:\n if i == \"0\":\n total_list.append(\"0\")\n \n elif i == \"1\":\n total_list.append(\"1\")\n \n else:\n if not total_list:\n pass\n else:\n total_list.pop(-1)\n ",
"i",
"input_list",
"if i == \"0\":\n total_list.append(\"0\")\n \n elif i == \"1\":\n total_list.append(\"1\")\n \n else:\n if not total_list:\n pass\n else:\n total_list.pop(-1)\n ",
"i == \"0\"",
"i",
"\"0\"",
"total_list.append(\"0\")",
"total_list.append",
"total_list",
"append",
"\"0\"",
"elif i == \"1\":\n total_list.append(\"1\")\n \n ",
"i == \"1\"",
"i",
"\"1\"",
"total_list.append(\"1\")",
"total_list.append",
"total_list",
"append",
"\"1\"",
"if not total_list:\n pass\n else:\n total_list.pop(-1)\n ",
"not total_list",
"total_list",
"total_list.pop(-1)",
"total_list.pop",
"total_list",
"pop",
"-1",
"str(_) for _ in total_list",
"for _ in total_list",
"_",
"total_list",
"for _ in total_list",
"str(_)",
"str",
"_",
"total = \"\".join([str(_) for _ in total_list])",
"total",
"\"\".join([str(_) for _ in total_list])",
"\"\".join",
"\"\"",
"join",
"[str(_) for _ in total_list]",
"print(total)",
"print",
"total",
"total_list = list()",
"list()",
"total_list",
"input_list = list(first_str)",
"list(first_str)",
"input_list",
"total = \"\".join([str(_) for _ in total_list])",
"\"\".join([str(_) for _ in total_list])",
"total",
"first_str =input()",
"input()",
"first_str"
] | first_str =input()
input_list = list(first_str)
total_list = list()
for i in input_list:
if i == "0":
total_list.append("0")
elif i == "1":
total_list.append("1")
else:
if not total_list:
pass
else:
total_list.pop(-1)
total = "".join([str(_) for _ in total_list])
print(total) |
[
7,
12,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
18,
13,
39,
17,
0,
13,
13,
29,
13,
23,
13,
12,
13,
0,
13,
4,
13,
4,
13,
4,
13,
13,
14,
2,
13,
17,
4,
13,
10,
12,
13,
10,
12,
13
] | [
[
5,
4
],
[
8,
7
],
[
25,
7
],
[
7,
11
],
[
15,
14
],
[
4,
16
],
[
20,
16
],
[
14,
16
],
[
21,
20
],
[
7,
21
],
[
20,
23
],
[
14,
23
],
[
4,
23
],
[
25,
25
],
[
30,
29
],
[
45,
35
],
[
29,
36
],
[
48,
42
]
] | [
"def answer(s: str) -> str:\n result = ''\n for c in s:\n if c == 'B':\n result = result[:-1]\n else:\n result += c\n\n return result\n\ndef main():\n s = input()\n print(answer(s))\n\nif __name__ == '__main__':\n main()",
"def answer(s: str) -> str:\n result = ''\n for c in s:\n if c == 'B':\n result = result[:-1]\n else:\n result += c\n\n return result",
"answer",
"result = ''",
"result",
"''",
"for c in s:\n if c == 'B':\n result = result[:-1]\n else:\n result += c\n\n ",
"c",
"s",
"if c == 'B':\n result = result[:-1]\n else:\n result += c\n\n ",
"c == 'B'",
"c",
"'B'",
"result = result[:-1]",
"result",
"result[:-1]",
"result",
":-1",
"-1",
"result += c",
"result",
"c",
"return result",
"result",
"s: str",
"s",
"def main():\n s = input()\n print(answer(s))",
"main",
"s = input()",
"s",
"input()",
"input",
"print(answer(s))",
"print",
"answer(s)",
"answer",
"s",
"if __name__ == '__main__':\n main()",
"__name__ == '__main__'",
"__name__",
"'__main__'",
"main()",
"main",
"def answer(s: str) -> str:\n result = ''\n for c in s:\n if c == 'B':\n result = result[:-1]\n else:\n result += c\n\n return result",
"def answer(s: str) -> str:\n result = ''\n for c in s:\n if c == 'B':\n result = result[:-1]\n else:\n result += c\n\n return result",
"answer",
"def main():\n s = input()\n print(answer(s))",
"def main():\n s = input()\n print(answer(s))",
"main"
] | def answer(s: str) -> str:
result = ''
for c in s:
if c == 'B':
result = result[:-1]
else:
result += c
return result
def main():
s = input()
print(answer(s))
if __name__ == '__main__':
main()
|
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
13,
17,
4,
18,
13,
13,
17,
14,
2,
2,
13,
17,
40,
4,
13,
13,
17,
24,
18,
13,
17,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
51,
2
],
[
54,
6
],
[
10,
9
],
[
52,
9
],
[
9,
13
],
[
55,
17
],
[
9,
22
],
[
55,
26
],
[
9,
32
],
[
55,
37
],
[
55,
41
],
[
55,
49
],
[
51,
52
],
[
54,
55
]
] | [
"S = input()\nI = []\nfor TS in S:\n if TS=='0':\n I.append('0')\n elif TS=='1':\n I.append('1')\n elif TS=='B' and len(I)>=1:\n del I[-1]\nprint(''.join(I))",
"S = input()",
"S",
"input()",
"input",
"I = []",
"I",
"[]",
"for TS in S:\n if TS=='0':\n I.append('0')\n elif TS=='1':\n I.append('1')\n elif TS=='B' and len(I)>=1:\n del I[-1]",
"TS",
"S",
"if TS=='0':\n I.append('0')\n elif TS=='1':\n I.append('1')\n elif TS=='B' and len(I)>=1:\n del I[-1]",
"TS=='0'",
"TS",
"'0'",
"I.append('0')",
"I.append",
"I",
"append",
"'0'",
"elif TS=='1':\n I.append('1')\n ",
"TS=='1'",
"TS",
"'1'",
"I.append('1')",
"I.append",
"I",
"append",
"'1'",
"elif TS=='B' and len(I)>=1:\n del I[-1]",
"TS=='B' and len(I)>=1",
"TS=='B'",
"TS",
"'B'",
"len(I)>=1",
"len(I)",
"len",
"I",
"1",
"del I[-1]",
"I[-1]",
"I",
"-1",
"print(''.join(I))",
"print",
"''.join(I)",
"''.join",
"''",
"join",
"I",
"S = input()",
"input()",
"S",
"I = []",
"[]",
"I"
] | S = input()
I = []
for TS in S:
if TS=='0':
I.append('0')
elif TS=='1':
I.append('1')
elif TS=='B' and len(I)>=1:
del I[-1]
print(''.join(I)) |
[
7,
0,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
17,
28,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
0,
13,
2,
13,
17,
14,
2,
18,
13,
13,
17,
0,
13,
2,
13,
17,
14,
2,
18,
13,
13,
17,
0,
13,
4,
13,
13,
14,
40,
13,
17,
0,
13,
18,
13,
39,
2,
13,
17,
14,
2,
13,
17,
0,
13,
13,
4,
13,
17,
4,
13,
17,
4,
13,
13,
10,
17,
13,
10,
4,
13,
10,
18,
13,
10,
2,
13,
10,
4,
13,
10,
4,
13,
10,
2,
13,
10,
13,
13
] | [
[
83,
2
],
[
92,
6
],
[
84,
9
],
[
80,
11
],
[
15,
14
],
[
93,
17
],
[
84,
21
],
[
14,
22
],
[
98,
25
],
[
81,
27
],
[
102,
27
],
[
87,
27
],
[
90,
27
],
[
99,
27
],
[
84,
32
],
[
14,
33
],
[
89,
36
],
[
81,
38
],
[
102,
38
],
[
87,
38
],
[
90,
38
],
[
99,
38
],
[
84,
43
],
[
14,
44
],
[
95,
47
],
[
81,
50
],
[
102,
50
],
[
87,
50
],
[
90,
50
],
[
99,
50
],
[
96,
53
],
[
86,
56
],
[
81,
58
],
[
102,
58
],
[
87,
58
],
[
90,
58
],
[
99,
58
],
[
96,
61
],
[
96,
65
],
[
101,
68
],
[
102,
69
],
[
81,
69
],
[
87,
69
],
[
90,
69
],
[
99,
69
],
[
102,
78
],
[
87,
78
],
[
90,
78
],
[
99,
78
],
[
81,
78
],
[
80,
81
],
[
83,
84
],
[
86,
87
],
[
89,
90
],
[
92,
93
],
[
95,
96
],
[
98,
99
],
[
102,
101
],
[
81,
101
],
[
87,
101
],
[
90,
101
],
[
99,
101
],
[
101,
102
]
] | [
"s = input()\n\nn = len(s)\ns_ans = \"\"\n\nfor i in range(n):\n if s[i] == \"0\":\n s_ans = s_ans + \"0\"\n\n elif s[i] == \"1\":\n s_ans = s_ans + \"1\"\n\n elif s[i] == \"B\":\n len_ans = len(s_ans)\n if len_ans >= 1:\n s_ans = s_ans[:len_ans-1]\n\n elif len_ans == 0:\n s_ans = s_ans\n\n else:\n print(\"error2\")\n\n else:\n print(\"error1\")\n\nprint(s_ans)",
"s = input()",
"s",
"input()",
"input",
"n = len(s)",
"n",
"len(s)",
"len",
"s",
"s_ans = \"\"",
"s_ans",
"\"\"",
"for i in range(n):\n if s[i] == \"0\":\n s_ans = s_ans + \"0\"\n\n elif s[i] == \"1\":\n s_ans = s_ans + \"1\"\n\n elif s[i] == \"B\":\n len_ans = len(s_ans)\n if len_ans >= 1:\n s_ans = s_ans[:len_ans-1]\n\n elif len_ans == 0:\n s_ans = s_ans\n\n else:\n print(\"error2\")\n\n else:\n print(\"error1\")",
"i",
"range(n)",
"range",
"n",
"if s[i] == \"0\":\n s_ans = s_ans + \"0\"\n\n elif s[i] == \"1\":\n s_ans = s_ans + \"1\"\n\n elif s[i] == \"B\":\n len_ans = len(s_ans)\n if len_ans >= 1:\n s_ans = s_ans[:len_ans-1]\n\n elif len_ans == 0:\n s_ans = s_ans\n\n else:\n print(\"error2\")\n\n else:\n print(\"error1\")",
"s[i] == \"0\"",
"s[i]",
"s",
"i",
"\"0\"",
"s_ans = s_ans + \"0\"",
"s_ans",
"s_ans + \"0\"",
"s_ans",
"\"0\"",
"elif s[i] == \"1\":\n s_ans = s_ans + \"1\"\n\n ",
"s[i] == \"1\"",
"s[i]",
"s",
"i",
"\"1\"",
"s_ans = s_ans + \"1\"",
"s_ans",
"s_ans + \"1\"",
"s_ans",
"\"1\"",
"elif s[i] == \"B\":\n len_ans = len(s_ans)\n if len_ans >= 1:\n s_ans = s_ans[:len_ans-1]\n\n elif len_ans == 0:\n s_ans = s_ans\n\n else:\n print(\"error2\")\n\n ",
"s[i] == \"B\"",
"s[i]",
"s",
"i",
"\"B\"",
"len_ans = len(s_ans)",
"len_ans",
"len(s_ans)",
"len",
"s_ans",
"if len_ans >= 1:\n s_ans = s_ans[:len_ans-1]\n\n elif len_ans == 0:\n s_ans = s_ans\n\n else:\n print(\"error2\")\n\n ",
"len_ans >= 1",
"len_ans",
"1",
"s_ans = s_ans[:len_ans-1]",
"s_ans",
"s_ans[:len_ans-1]",
"s_ans",
":len_ans-1",
"len_ans-1",
"len_ans",
"1",
"elif len_ans == 0:\n s_ans = s_ans\n\n ",
"len_ans == 0",
"len_ans",
"0",
"s_ans = s_ans",
"s_ans",
"s_ans",
"print(\"error2\")",
"print",
"\"error2\"",
"print(\"error1\")",
"print",
"\"error1\"",
"print(s_ans)",
"print",
"s_ans",
"s_ans = \"\"",
"\"\"",
"s_ans",
"s = input()",
"input()",
"s",
"s_ans = s_ans[:len_ans-1]",
"s_ans[:len_ans-1]",
"s_ans",
"s_ans = s_ans + \"1\"",
"s_ans + \"1\"",
"s_ans",
"n = len(s)",
"len(s)",
"n",
"len_ans = len(s_ans)",
"len(s_ans)",
"len_ans",
"s_ans = s_ans + \"0\"",
"s_ans + \"0\"",
"s_ans",
"s_ans = s_ans",
"s_ans",
"s_ans"
] | s = input()
n = len(s)
s_ans = ""
for i in range(n):
if s[i] == "0":
s_ans = s_ans + "0"
elif s[i] == "1":
s_ans = s_ans + "1"
elif s[i] == "B":
len_ans = len(s_ans)
if len_ans >= 1:
s_ans = s_ans[:len_ans-1]
elif len_ans == 0:
s_ans = s_ans
else:
print("error2")
else:
print("error1")
print(s_ans) |
[
7,
0,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
39,
28,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
0,
13,
17,
14,
2,
18,
13,
13,
17,
0,
13,
17,
14,
2,
18,
13,
13,
17,
14,
40,
4,
13,
13,
17,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13
] | [
[
60,
2
],
[
66,
6
],
[
61,
9
],
[
63,
11
],
[
15,
14
],
[
67,
17
],
[
61,
21
],
[
14,
22
],
[
69,
25
],
[
61,
30
],
[
14,
31
],
[
72,
34
],
[
61,
39
],
[
14,
40
],
[
64,
46
],
[
73,
46
],
[
70,
46
],
[
64,
50
],
[
73,
50
],
[
70,
50
],
[
73,
58
],
[
70,
58
],
[
64,
58
],
[
60,
61
],
[
63,
64
],
[
66,
67
],
[
69,
70
],
[
72,
73
]
] | [
"s=input()\nS=len(s)\nans=[]\n\nfor i in range(S):\n if s[i]==\"0\":\n ans+=\"0\"\n elif s[i]==\"1\":\n ans+=\"1\"\n elif s[i]==\"B\":\n if len(ans)>=1:\n ans.pop()\n\n\nprint(\"\".join(ans))",
"s=input()",
"s",
"input()",
"input",
"S=len(s)",
"S",
"len(s)",
"len",
"s",
"ans=[]",
"ans",
"[]",
"for i in range(S):\n if s[i]==\"0\":\n ans+=\"0\"\n elif s[i]==\"1\":\n ans+=\"1\"\n elif s[i]==\"B\":\n if len(ans)>=1:\n ans.pop()",
"i",
"range(S)",
"range",
"S",
"if s[i]==\"0\":\n ans+=\"0\"\n elif s[i]==\"1\":\n ans+=\"1\"\n elif s[i]==\"B\":\n if len(ans)>=1:\n ans.pop()",
"s[i]==\"0\"",
"s[i]",
"s",
"i",
"\"0\"",
"ans+=\"0\"",
"ans",
"\"0\"",
"elif s[i]==\"1\":\n ans+=\"1\"\n ",
"s[i]==\"1\"",
"s[i]",
"s",
"i",
"\"1\"",
"ans+=\"1\"",
"ans",
"\"1\"",
"elif s[i]==\"B\":\n if len(ans)>=1:\n ans.pop()",
"s[i]==\"B\"",
"s[i]",
"s",
"i",
"\"B\"",
"if len(ans)>=1:\n ans.pop()",
"len(ans)>=1",
"len(ans)",
"len",
"ans",
"1",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"print(\"\".join(ans))",
"print",
"\"\".join(ans)",
"\"\".join",
"\"\"",
"join",
"ans",
"s=input()",
"input()",
"s",
"ans=[]",
"[]",
"ans",
"S=len(s)",
"len(s)",
"S",
"ans+=\"0\"",
"\"0\"",
"ans",
"ans+=\"1\"",
"\"1\"",
"ans"
] | s=input()
S=len(s)
ans=[]
for i in range(S):
if s[i]=="0":
ans+="0"
elif s[i]=="1":
ans+="1"
elif s[i]=="B":
if len(ans)>=1:
ans.pop()
print("".join(ans)) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
40,
18,
13,
13,
17,
4,
18,
13,
13,
18,
13,
13,
14,
2,
2,
18,
13,
13,
17,
40,
4,
13,
13,
17,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
54,
2
],
[
57,
8
],
[
12,
11
],
[
55,
16
],
[
55,
20
],
[
11,
21
],
[
58,
25
],
[
55,
28
],
[
11,
29
],
[
55,
34
],
[
11,
35
],
[
58,
40
],
[
58,
44
],
[
58,
52
],
[
54,
55
],
[
57,
58
]
] | [
"S = list(input())\nans = []\n\nfor i in range(len(S)):\n if(S[i] != 'B'):\n ans.append(S[i])\n elif(S[i] == 'B' and len(ans) != 0):\n ans.pop()\n\n \nprint(''.join(ans))",
"S = list(input())",
"S",
"list(input())",
"list",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for i in range(len(S)):\n if(S[i] != 'B'):\n ans.append(S[i])\n elif(S[i] == 'B' and len(ans) != 0):\n ans.pop()\n\n ",
"i",
"range(len(S))",
"range",
"len(S)",
"len",
"S",
"if(S[i] != 'B'):\n ans.append(S[i])\n elif(S[i] == 'B' and len(ans) != 0):\n ans.pop()\n\n ",
"S[i] != 'B'",
"S[i]",
"S",
"i",
"'B'",
"ans.append(S[i])",
"ans.append",
"ans",
"append",
"S[i]",
"S",
"i",
"elif(S[i] == 'B' and len(ans) != 0):\n ans.pop()\n\n ",
"S[i] == 'B' and len(ans) != 0",
"S[i] == 'B'",
"S[i]",
"S",
"i",
"'B'",
"len(ans) != 0",
"len(ans)",
"len",
"ans",
"0",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"S = list(input())",
"list(input())",
"S",
"ans = []",
"[]",
"ans"
] | S = list(input())
ans = []
for i in range(len(S)):
if(S[i] != 'B'):
ans.append(S[i])
elif(S[i] == 'B' and len(ans) != 0):
ans.pop()
print(''.join(ans)) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
14,
2,
4,
13,
13,
17,
24,
18,
13,
17,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
4,
13
] | [
[
43,
2
],
[
40,
8
],
[
12,
11
],
[
44,
11
],
[
11,
15
],
[
41,
21
],
[
41,
25
],
[
41,
29
],
[
11,
31
],
[
41,
38
],
[
40,
41
],
[
43,
44
]
] | [
"S=list(input())\n\nans=[]\n\nfor s in S:\n if s == \"B\":\n if len(ans)>0:\n del ans[-1]\n else:\n ans.append(s)\n \nprint(\"\".join(ans))",
"S=list(input())",
"S",
"list(input())",
"list",
"input()",
"input",
"ans=[]",
"ans",
"[]",
"for s in S:\n if s == \"B\":\n if len(ans)>0:\n del ans[-1]\n else:\n ans.append(s)\n ",
"s",
"S",
"if s == \"B\":\n if len(ans)>0:\n del ans[-1]\n else:\n ans.append(s)\n ",
"s == \"B\"",
"s",
"\"B\"",
"if len(ans)>0:\n del ans[-1]\n ",
"len(ans)>0",
"len(ans)",
"len",
"ans",
"0",
"del ans[-1]",
"ans[-1]",
"ans",
"-1",
"ans.append(s)",
"ans.append",
"ans",
"append",
"s",
"print(\"\".join(ans))",
"print",
"\"\".join(ans)",
"\"\".join",
"\"\"",
"join",
"ans",
"ans=[]",
"[]",
"ans",
"S=list(input())",
"list(input())",
"S"
] | S=list(input())
ans=[]
for s in S:
if s == "B":
if len(ans)>0:
del ans[-1]
else:
ans.append(s)
print("".join(ans)) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
40,
13,
17,
4,
18,
13,
13,
13,
0,
13,
18,
13,
39,
17,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
4,
13,
10,
18,
13
] | [
[
37,
2
],
[
34,
6
],
[
10,
9
],
[
38,
9
],
[
9,
13
],
[
35,
17
],
[
41,
17
],
[
9,
19
],
[
40,
21
],
[
35,
23
],
[
41,
23
],
[
41,
32
],
[
35,
32
],
[
34,
35
],
[
37,
38
],
[
40,
41
]
] | [
"s=input()\nans=[]\nfor i in s:\n if i!=\"B\":\n ans.append(i)\n else:\n ans=ans[:-1]\n \nprint(\"\".join(ans))",
"s=input()",
"s",
"input()",
"input",
"ans=[]",
"ans",
"[]",
"for i in s:\n if i!=\"B\":\n ans.append(i)\n else:\n ans=ans[:-1]\n ",
"i",
"s",
"if i!=\"B\":\n ans.append(i)\n else:\n ans=ans[:-1]\n ",
"i!=\"B\"",
"i",
"\"B\"",
"ans.append(i)",
"ans.append",
"ans",
"append",
"i",
"ans=ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(\"\".join(ans))",
"print",
"\"\".join(ans)",
"\"\".join",
"\"\"",
"join",
"ans",
"ans=[]",
"[]",
"ans",
"s=input()",
"input()",
"s",
"ans=ans[:-1]",
"ans[:-1]",
"ans"
] | s=input()
ans=[]
for i in s:
if i!="B":
ans.append(i)
else:
ans=ans[:-1]
print("".join(ans)) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
2,
13,
17,
2,
13,
17,
4,
18,
13,
13,
13,
14,
40,
13,
24,
18,
13,
17,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
41,
2
],
[
44,
8
],
[
12,
11
],
[
42,
11
],
[
11,
16
],
[
11,
19
],
[
45,
23
],
[
11,
25
],
[
45,
28
],
[
45,
31
],
[
45,
39
],
[
41,
42
],
[
44,
45
]
] | [
"s=list(input())\nx=[]\nfor i in s:\n if i==\"0\" or i==\"1\":\n x.append(i)\n else :\n if not x:\n pass\n else:\n \t del x[-1]\nprint(\"\".join(x))",
"s=list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"x=[]",
"x",
"[]",
"for i in s:\n if i==\"0\" or i==\"1\":\n x.append(i)\n else :\n if not x:\n pass\n else:\n \t del x[-1]",
"i",
"s",
"if i==\"0\" or i==\"1\":\n x.append(i)\n else :\n if not x:\n pass\n else:\n \t del x[-1]",
"i==\"0\" or i==\"1\"",
"i==\"0\"",
"i",
"\"0\"",
"i==\"1\"",
"i",
"\"1\"",
"x.append(i)",
"x.append",
"x",
"append",
"i",
"if not x:\n pass\n else:\n \t del x[-1]",
"not x",
"x",
"del x[-1]",
"x[-1]",
"x",
"-1",
"print(\"\".join(x))",
"print",
"\"\".join(x)",
"\"\".join",
"\"\"",
"join",
"x",
"s=list(input())",
"list(input())",
"s",
"x=[]",
"[]",
"x"
] | s=list(input())
x=[]
for i in s:
if i=="0" or i=="1":
x.append(i)
else :
if not x:
pass
else:
del x[-1]
print("".join(x)) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
14,
40,
13,
39,
4,
18,
13,
13,
17,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
37,
2
],
[
40,
6
],
[
10,
9
],
[
38,
9
],
[
9,
13
],
[
41,
17
],
[
41,
21
],
[
41,
26
],
[
9,
28
],
[
41,
35
],
[
37,
38
],
[
40,
41
]
] | [
"s = input()\nans = []\n\nfor i in s:\n if i=='B':\n if ans != []:\n ans.pop(-1)\n else:\n ans.append(i)\nprint(''.join(ans))",
"s = input()",
"s",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for i in s:\n if i=='B':\n if ans != []:\n ans.pop(-1)\n else:\n ans.append(i)",
"i",
"s",
"if i=='B':\n if ans != []:\n ans.pop(-1)\n else:\n ans.append(i)",
"i=='B'",
"i",
"'B'",
"if ans != []:\n ans.pop(-1)\n ",
"ans != []",
"ans",
"[]",
"ans.pop(-1)",
"ans.pop",
"ans",
"pop",
"-1",
"ans.append(i)",
"ans.append",
"ans",
"append",
"i",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"s = input()",
"input()",
"s",
"ans = []",
"[]",
"ans"
] | s = input()
ans = []
for i in s:
if i=='B':
if ans != []:
ans.pop(-1)
else:
ans.append(i)
print(''.join(ans)) |
[
7,
15,
0,
13,
4,
13,
0,
13,
4,
13,
28,
13,
13,
14,
2,
13,
17,
14,
40,
4,
13,
13,
17,
4,
18,
13,
13,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
4,
13
] | [
[
40,
3
],
[
43,
7
],
[
12,
11
],
[
41,
11
],
[
11,
15
],
[
44,
21
],
[
44,
25
],
[
44,
29
],
[
11,
31
],
[
44,
38
],
[
40,
41
],
[
43,
44
]
] | [
"from collections import deque\nS = input()\nq = deque()\n\nfor s in S:\n if s == \"B\":\n if len(q) != 0:\n q.pop()\n else:\n q.append(s)\nprint(\"\".join(q))",
"from collections import deque",
"S = input()",
"S",
"input()",
"input",
"q = deque()",
"q",
"deque()",
"deque",
"for s in S:\n if s == \"B\":\n if len(q) != 0:\n q.pop()\n else:\n q.append(s)",
"s",
"S",
"if s == \"B\":\n if len(q) != 0:\n q.pop()\n else:\n q.append(s)",
"s == \"B\"",
"s",
"\"B\"",
"if len(q) != 0:\n q.pop()\n ",
"len(q) != 0",
"len(q)",
"len",
"q",
"0",
"q.pop()",
"q.pop",
"q",
"pop",
"q.append(s)",
"q.append",
"q",
"append",
"s",
"print(\"\".join(q))",
"print",
"\"\".join(q)",
"\"\".join",
"\"\"",
"join",
"q",
"S = input()",
"input()",
"S",
"q = deque()",
"deque()",
"q"
] | from collections import deque
S = input()
q = deque()
for s in S:
if s == "B":
if len(q) != 0:
q.pop()
else:
q.append(s)
print("".join(q))
|
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
14,
40,
13,
9,
4,
18,
13,
13,
17,
4,
18,
13,
13,
13,
0,
13,
17,
28,
13,
13,
0,
13,
4,
18,
17,
13,
39,
13,
13,
4,
13,
13,
10,
4,
13,
10,
39,
13,
10,
4,
13,
10,
17,
13
] | [
[
48,
2
],
[
51,
6
],
[
10,
9
],
[
49,
9
],
[
9,
13
],
[
52,
17
],
[
52,
21
],
[
52,
26
],
[
9,
28
],
[
57,
30
],
[
34,
33
],
[
52,
33
],
[
54,
36
],
[
55,
46
],
[
58,
46
],
[
48,
49
],
[
51,
52
],
[
54,
55
],
[
57,
58
]
] | [
"s = input()\narr = []\nfor i in s:\n if i==\"B\":\n if not arr:\n continue\n arr.pop(-1)\n else:\n arr.append(i)\nans = \"\"\nfor i in arr:\n ans = \"\".join([ans,i])\nprint(ans)",
"s = input()",
"s",
"input()",
"input",
"arr = []",
"arr",
"[]",
"for i in s:\n if i==\"B\":\n if not arr:\n continue\n arr.pop(-1)\n else:\n arr.append(i)",
"i",
"s",
"if i==\"B\":\n if not arr:\n continue\n arr.pop(-1)\n else:\n arr.append(i)",
"i==\"B\"",
"i",
"\"B\"",
"if not arr:\n continue\n ",
"not arr",
"arr",
"continue",
"arr.pop(-1)",
"arr.pop",
"arr",
"pop",
"-1",
"arr.append(i)",
"arr.append",
"arr",
"append",
"i",
"ans = \"\"",
"ans",
"\"\"",
"for i in arr:\n ans = \"\".join([ans,i])",
"i",
"arr",
"ans = \"\".join([ans,i])",
"ans",
"\"\".join([ans,i])",
"\"\".join",
"\"\"",
"join",
"[ans,i]",
"ans",
"i",
"print(ans)",
"print",
"ans",
"s = input()",
"input()",
"s",
"arr = []",
"[]",
"arr",
"ans = \"\".join([ans,i])",
"\"\".join([ans,i])",
"ans",
"ans = \"\"",
"\"\"",
"ans"
] | s = input()
arr = []
for i in s:
if i=="B":
if not arr:
continue
arr.pop(-1)
else:
arr.append(i)
ans = ""
for i in arr:
ans = "".join([ans,i])
print(ans) |
[
7,
0,
13,
4,
13,
0,
13,
4,
13,
13,
0,
13,
17,
28,
13,
4,
13,
13,
0,
13,
18,
13,
13,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
0,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
18,
13,
10,
17,
13,
10,
4,
13,
10,
18,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13
] | [
[
59,
2
],
[
53,
6
],
[
60,
9
],
[
65,
11
],
[
15,
14
],
[
54,
17
],
[
47,
19
],
[
60,
21
],
[
14,
22
],
[
48,
25
],
[
62,
28
],
[
48,
32
],
[
50,
35
],
[
56,
38
],
[
66,
40
],
[
57,
40
],
[
51,
40
],
[
63,
40
],
[
57,
45
],
[
51,
45
],
[
63,
45
],
[
66,
45
],
[
47,
48
],
[
50,
51
],
[
53,
54
],
[
56,
57
],
[
59,
60
],
[
62,
63
],
[
65,
66
]
] | [
"s = input()\nn = len(s)\n\nans = ''\n\nfor i in range(n):\n s1 = s[i]\n if s1 == '0':\n ans += '0'\n elif s1 == '1':\n ans += '1'\n else:\n ans = ans[:-1]\n\nprint(ans)",
"s = input()",
"s",
"input()",
"input",
"n = len(s)",
"n",
"len(s)",
"len",
"s",
"ans = ''",
"ans",
"''",
"for i in range(n):\n s1 = s[i]\n if s1 == '0':\n ans += '0'\n elif s1 == '1':\n ans += '1'\n else:\n ans = ans[:-1]",
"i",
"range(n)",
"range",
"n",
"s1 = s[i]",
"s1",
"s[i]",
"s",
"i",
"if s1 == '0':\n ans += '0'\n elif s1 == '1':\n ans += '1'\n else:\n ans = ans[:-1]",
"s1 == '0'",
"s1",
"'0'",
"ans += '0'",
"ans",
"'0'",
"elif s1 == '1':\n ans += '1'\n ",
"s1 == '1'",
"s1",
"'1'",
"ans += '1'",
"ans",
"'1'",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(ans)",
"print",
"ans",
"s1 = s[i]",
"s[i]",
"s1",
"ans += '1'",
"'1'",
"ans",
"n = len(s)",
"len(s)",
"n",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"s = input()",
"input()",
"s",
"ans += '0'",
"'0'",
"ans",
"ans = ''",
"''",
"ans"
] | s = input()
n = len(s)
ans = ''
for i in range(n):
s1 = s[i]
if s1 == '0':
ans += '0'
elif s1 == '1':
ans += '1'
else:
ans = ans[:-1]
print(ans)
|
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
0,
13,
18,
13,
39,
17,
0,
13,
18,
13,
13,
4,
13,
13,
10,
18,
13,
10,
17,
13,
10,
4,
13,
10,
18,
13
] | [
[
42,
2
],
[
39,
6
],
[
10,
9
],
[
43,
14
],
[
43,
18
],
[
9,
19
],
[
45,
22
],
[
40,
24
],
[
37,
24
],
[
46,
24
],
[
36,
28
],
[
43,
30
],
[
9,
31
],
[
37,
34
],
[
46,
34
],
[
40,
34
],
[
36,
37
],
[
39,
40
],
[
42,
43
],
[
45,
46
]
] | [
"s = input()\na = \"\"\nfor i in range(len(s)):\n if s[i] == \"B\":\n a = a[:-1]\n else:\n a += s[i]\nprint(a)",
"s = input()",
"s",
"input()",
"input",
"a = \"\"",
"a",
"\"\"",
"for i in range(len(s)):\n if s[i] == \"B\":\n a = a[:-1]\n else:\n a += s[i]",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] == \"B\":\n a = a[:-1]\n else:\n a += s[i]",
"s[i] == \"B\"",
"s[i]",
"s",
"i",
"\"B\"",
"a = a[:-1]",
"a",
"a[:-1]",
"a",
":-1",
"-1",
"a += s[i]",
"a",
"s[i]",
"s",
"i",
"print(a)",
"print",
"a",
"a += s[i]",
"s[i]",
"a",
"a = \"\"",
"\"\"",
"a",
"s = input()",
"input()",
"s",
"a = a[:-1]",
"a[:-1]",
"a"
] | s = input()
a = ""
for i in range(len(s)):
if s[i] == "B":
a = a[:-1]
else:
a += s[i]
print(a) |
[
7,
15,
15,
15,
15,
13,
15,
13,
15,
13,
15,
13,
15,
13,
4,
18,
13,
13,
17,
0,
13,
2,
2,
17,
17,
17,
15,
0,
13,
18,
13,
13,
12,
13,
29,
4,
13,
4,
13,
13,
4,
18,
4,
13,
13,
12,
13,
29,
4,
13,
4,
13,
13,
4,
18,
4,
13,
13,
12,
13,
29,
4,
13,
4,
13,
0,
13,
4,
13,
0,
13,
17,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
0,
13,
17,
14,
2,
18,
13,
13,
17,
0,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
2,
13,
10,
17,
13,
10,
18,
13,
10,
12,
13,
10,
17,
13,
10,
12,
13,
10,
12,
13,
10,
18,
13,
10,
4,
13,
10,
17,
13
] | [
[
107,
20
],
[
113,
28
],
[
114,
43
],
[
114,
56
],
[
114,
64
],
[
131,
66
],
[
110,
70
],
[
74,
73
],
[
132,
78
],
[
132,
82
],
[
73,
83
],
[
134,
86
],
[
132,
91
],
[
73,
92
],
[
119,
95
],
[
128,
98
],
[
111,
100
],
[
129,
100
],
[
120,
100
],
[
135,
100
],
[
129,
105
],
[
120,
105
],
[
135,
105
],
[
111,
105
],
[
107,
108
],
[
110,
111
],
[
113,
114
],
[
119,
120
],
[
128,
129
],
[
131,
132
],
[
134,
135
]
] | [
"#from statistics import median\n#import collections\n#aa = collections.Counter(a) # list to list || .most_common(2)で最大の2個とりだせるお a[0][0]\nfrom fractions import gcd\nfrom itertools import combinations,permutations,accumulate, product # (string,3) 3回\n#from collections import deque\nfrom collections import deque,defaultdict,Counter\nimport decimal\nimport re\nimport math\nimport bisect\n#\n#\n#\n# pythonで無理なときは、pypyでやると正解するかも！！\n#\n#\n# my_round_int = lambda x:np.round((x*2 + 1)//2)\n# 四捨五入g\n#\n# インデックス系\n# int min_y = max(0, i - 2), max_y = min(h - 1, i + 2);\n# int min_x = max(0, j - 2), max_x = min(w - 1, j + 2);\n#\n#\nimport sys\nsys.setrecursionlimit(10000000)\nmod = 10**9 + 7\n#mod = 9982443453\n#mod = 998244353\nfrom sys import stdin\nreadline = stdin.readline\ndef readInts():\n return list(map(int,readline().split()))\ndef readTuples():\n return tuple(map(int,readline().split()))\ndef I():\n return int(readline())\ns = input()\nans = \"\"\nfor i in range(len(s)):\n if s[i] == '0':\n ans += \"0\"\n elif s[i] == '1':\n ans += \"1\"\n else:\n ans = ans[:-1]\nprint(ans)",
"from fractions import gcd",
"from itertools import combinations,permutations,accumulate, product",
"from collections import deque,defaultdict,Counter",
"import decimal",
"decimal",
"import re",
"re",
"import math",
"math",
"import bisect",
"bisect",
"import sys",
"sys",
"sys.setrecursionlimit(10000000)",
"sys.setrecursionlimit",
"sys",
"setrecursionlimit",
"10000000",
"mod = 10**9 + 7",
"mod",
"10**9 + 7",
"10**9",
"10",
"9",
"7",
"from sys import stdin",
"readline = stdin.readline",
"readline",
"stdin.readline",
"stdin",
"readline",
"def readInts():\n return list(map(int,readline().split()))",
"readInts",
"return list(map(int,readline().split()))",
"list(map(int,readline().split()))",
"list",
"map(int,readline().split())",
"map",
"int",
"readline().split()",
"().split",
"()",
"readline",
"split",
"def readTuples():\n return tuple(map(int,readline().split()))",
"readTuples",
"return tuple(map(int,readline().split()))",
"tuple(map(int,readline().split()))",
"tuple",
"map(int,readline().split())",
"map",
"int",
"readline().split()",
"().split",
"()",
"readline",
"split",
"def I():\n return int(readline())",
"I",
"return int(readline())",
"int(readline())",
"int",
"readline()",
"readline",
"s = input()",
"s",
"input()",
"input",
"ans = \"\"",
"ans",
"\"\"",
"for i in range(len(s)):\n if s[i] == '0':\n ans += \"0\"\n elif s[i] == '1':\n ans += \"1\"\n else:\n ans = ans[:-1]",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] == '0':\n ans += \"0\"\n elif s[i] == '1':\n ans += \"1\"\n else:\n ans = ans[:-1]",
"s[i] == '0'",
"s[i]",
"s",
"i",
"'0'",
"ans += \"0\"",
"ans",
"\"0\"",
"elif s[i] == '1':\n ans += \"1\"\n ",
"s[i] == '1'",
"s[i]",
"s",
"i",
"'1'",
"ans += \"1\"",
"ans",
"\"1\"",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(ans)",
"print",
"ans",
"mod = 10**9 + 7",
"10**9 + 7",
"mod",
"ans = \"\"",
"\"\"",
"ans",
"readline = stdin.readline",
"stdin.readline",
"readline",
"def readTuples():\n return tuple(map(int,readline().split()))",
"def readTuples():\n return tuple(map(int,readline().split()))",
"readTuples",
"ans += \"1\"",
"\"1\"",
"ans",
"def I():\n return int(readline())",
"def I():\n return int(readline())",
"I",
"def readInts():\n return list(map(int,readline().split()))",
"def readInts():\n return list(map(int,readline().split()))",
"readInts",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"s = input()",
"input()",
"s",
"ans += \"0\"",
"\"0\"",
"ans"
] | #from statistics import median
#import collections
#aa = collections.Counter(a) # list to list || .most_common(2)で最大の2個とりだせるお a[0][0]
from fractions import gcd
from itertools import combinations,permutations,accumulate, product # (string,3) 3回
#from collections import deque
from collections import deque,defaultdict,Counter
import decimal
import re
import math
import bisect
#
#
#
# pythonで無理なときは、pypyでやると正解するかも！！
#
#
# my_round_int = lambda x:np.round((x*2 + 1)//2)
# 四捨五入g
#
# インデックス系
# int min_y = max(0, i - 2), max_y = min(h - 1, i + 2);
# int min_x = max(0, j - 2), max_x = min(w - 1, j + 2);
#
#
import sys
sys.setrecursionlimit(10000000)
mod = 10**9 + 7
#mod = 9982443453
#mod = 998244353
from sys import stdin
readline = stdin.readline
def readInts():
return list(map(int,readline().split()))
def readTuples():
return tuple(map(int,readline().split()))
def I():
return int(readline())
s = input()
ans = ""
for i in range(len(s)):
if s[i] == '0':
ans += "0"
elif s[i] == '1':
ans += "1"
else:
ans = ans[:-1]
print(ans)
|
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
4,
13,
4,
13,
13,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
2,
18,
13,
13,
17,
4,
18,
13,
13,
17,
14,
40,
4,
13,
13,
17,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
4,
13
] | [
[
60,
2
],
[
57,
8
],
[
12,
11
],
[
61,
16
],
[
61,
20
],
[
11,
21
],
[
58,
25
],
[
61,
31
],
[
11,
32
],
[
58,
36
],
[
58,
43
],
[
58,
47
],
[
58,
55
],
[
57,
58
],
[
60,
61
]
] | [
"s = str(input())\na = []\n \nfor i in range(len(s)):\n if s[i] == '0':\n a.append('0')\n elif s[i] == '1':\n a.append('1')\n else:\n if len(a) != 0:\n a.pop()\n \nprint(''.join(a))",
"s = str(input())",
"s",
"str(input())",
"str",
"input()",
"input",
"a = []",
"a",
"[]",
"for i in range(len(s)):\n if s[i] == '0':\n a.append('0')\n elif s[i] == '1':\n a.append('1')\n else:\n if len(a) != 0:\n a.pop()\n ",
"i",
"range(len(s))",
"range",
"len(s)",
"len",
"s",
"if s[i] == '0':\n a.append('0')\n elif s[i] == '1':\n a.append('1')\n else:\n if len(a) != 0:\n a.pop()\n ",
"s[i] == '0'",
"s[i]",
"s",
"i",
"'0'",
"a.append('0')",
"a.append",
"a",
"append",
"'0'",
"elif s[i] == '1':\n a.append('1')\n ",
"s[i] == '1'",
"s[i]",
"s",
"i",
"'1'",
"a.append('1')",
"a.append",
"a",
"append",
"'1'",
"if len(a) != 0:\n a.pop()\n ",
"len(a) != 0",
"len(a)",
"len",
"a",
"0",
"a.pop()",
"a.pop",
"a",
"pop",
"print(''.join(a))",
"print",
"''.join(a)",
"''.join",
"''",
"join",
"a",
"a = []",
"[]",
"a",
"s = str(input())",
"str(input())",
"s"
] | s = str(input())
a = []
for i in range(len(s)):
if s[i] == '0':
a.append('0')
elif s[i] == '1':
a.append('1')
else:
if len(a) != 0:
a.pop()
print(''.join(a)) |
[
7,
15,
13,
15,
12,
13,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
40,
13,
17,
4,
18,
13,
13,
13,
14,
40,
4,
13,
13,
17,
4,
18,
13,
13,
0,
13,
17,
28,
13,
13,
0,
13,
13,
4,
13,
13,
4,
13,
10,
12,
13
] | [
[
8,
7
],
[
12,
11
],
[
15,
14
],
[
7,
14
],
[
14,
18
],
[
11,
22
],
[
14,
24
],
[
11,
29
],
[
11,
33
],
[
37,
36
],
[
40,
39
],
[
11,
39
],
[
43,
42
],
[
39,
43
],
[
42,
46
],
[
36,
46
],
[
51,
48
]
] | [
"import math\nfrom datetime import date\n\ndef main():\n\t\t\n\ts = input()\n\tans = []\n\n\tfor c in s:\n\t\tif c != 'B':\n\t\t\tans.append(c)\n\t\telse:\n\t\t\tif len(ans) != 0:\n\t\t\t\tans.pop();\n\n\tline = \"\"\n\tfor c in ans:\n\t\tline += c\n\n\tprint(line)\n\t\nmain()",
"import math",
"math",
"from datetime import date",
"def main():\n\t\t\n\ts = input()\n\tans = []\n\n\tfor c in s:\n\t\tif c != 'B':\n\t\t\tans.append(c)\n\t\telse:\n\t\t\tif len(ans) != 0:\n\t\t\t\tans.pop();\n\n\tline = \"\"\n\tfor c in ans:\n\t\tline += c\n\n\tprint(line)\n\t",
"main",
"s = input()",
"s",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for c in s:\n\t\tif c != 'B':\n\t\t\tans.append(c)\n\t\telse:\n\t\t\tif len(ans) != 0:\n\t\t\t\tans.pop();\n\n\t",
"c",
"s",
"if c != 'B':\n\t\t\tans.append(c)\n\t\telse:\n\t\t\tif len(ans) != 0:\n\t\t\t\tans.pop();\n\n\t",
"c != 'B'",
"c",
"'B'",
"ans.append(c)",
"ans.append",
"ans",
"append",
"c",
"if len(ans) != 0:\n\t\t\t\tans.pop();\n\n\t",
"len(ans) != 0",
"len(ans)",
"len",
"ans",
"0",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"line = \"\"",
"line",
"\"\"",
"for c in ans:\n\t\tline += c\n\n\t",
"c",
"ans",
"line += c",
"line",
"c",
"print(line)",
"print",
"line",
"main()",
"main",
"def main():\n\t\t\n\ts = input()\n\tans = []\n\n\tfor c in s:\n\t\tif c != 'B':\n\t\t\tans.append(c)\n\t\telse:\n\t\t\tif len(ans) != 0:\n\t\t\t\tans.pop();\n\n\tline = \"\"\n\tfor c in ans:\n\t\tline += c\n\n\tprint(line)\n\t",
"def main():\n\t\t\n\ts = input()\n\tans = []\n\n\tfor c in s:\n\t\tif c != 'B':\n\t\t\tans.append(c)\n\t\telse:\n\t\t\tif len(ans) != 0:\n\t\t\t\tans.pop();\n\n\tline = \"\"\n\tfor c in ans:\n\t\tline += c\n\n\tprint(line)\n\t",
"main"
] | import math
from datetime import date
def main():
s = input()
ans = []
for c in s:
if c != 'B':
ans.append(c)
else:
if len(ans) != 0:
ans.pop();
line = ""
for c in ans:
line += c
print(line)
main()
|
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
2,
13,
13,
14,
2,
13,
17,
0,
13,
2,
13,
13,
14,
2,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
2,
13,
10,
4,
13,
10,
18,
13,
10,
2,
13,
10,
17,
13
] | [
[
46,
2
],
[
55,
6
],
[
10,
9
],
[
47,
9
],
[
9,
13
],
[
43,
16
],
[
56,
18
],
[
50,
18
],
[
53,
18
],
[
44,
18
],
[
9,
19
],
[
9,
22
],
[
52,
25
],
[
56,
27
],
[
50,
27
],
[
53,
27
],
[
44,
27
],
[
9,
28
],
[
9,
31
],
[
49,
34
],
[
56,
36
],
[
50,
36
],
[
53,
36
],
[
44,
36
],
[
50,
41
],
[
53,
41
],
[
44,
41
],
[
56,
41
],
[
43,
44
],
[
46,
47
],
[
49,
50
],
[
52,
53
],
[
55,
56
]
] | [
"x=input()\nz=''\n\nfor i in x:\n if i == '0':\n z= z+i\n elif i == '1':\n z= z+i\n elif i == 'B':\n z= z[:-1]\n\nprint(z) ",
"x=input()",
"x",
"input()",
"input",
"z=''",
"z",
"''",
"for i in x:\n if i == '0':\n z= z+i\n elif i == '1':\n z= z+i\n elif i == 'B':\n z= z[:-1]",
"i",
"x",
"if i == '0':\n z= z+i\n elif i == '1':\n z= z+i\n elif i == 'B':\n z= z[:-1]",
"i == '0'",
"i",
"'0'",
"z= z+i",
"z",
"z+i",
"z",
"i",
"elif i == '1':\n z= z+i\n ",
"i == '1'",
"i",
"'1'",
"z= z+i",
"z",
"z+i",
"z",
"i",
"elif i == 'B':\n z= z[:-1]",
"i == 'B'",
"i",
"'B'",
"z= z[:-1]",
"z",
"z[:-1]",
"z",
":-1",
"-1",
"print(z)",
"print",
"z",
"z= z+i",
"z+i",
"z",
"x=input()",
"input()",
"x",
"z= z[:-1]",
"z[:-1]",
"z",
"z= z+i",
"z+i",
"z",
"z=''",
"''",
"z"
] | x=input()
z=''
for i in x:
if i == '0':
z= z+i
elif i == '1':
z= z+i
elif i == 'B':
z= z[:-1]
print(z) |
[
7,
0,
13,
4,
13,
0,
13,
17,
13,
17,
28,
13,
4,
13,
13,
14,
2,
13,
17,
0,
13,
17,
14,
13,
0,
13,
17,
0,
13,
13,
4,
13,
18,
13,
39,
17,
10,
13,
13,
10,
17,
13,
10,
17,
13,
10,
17,
13,
10,
17,
13,
10,
4,
13
] | [
[
52,
2
],
[
46,
6
],
[
40,
8
],
[
12,
11
],
[
53,
14
],
[
11,
17
],
[
43,
20
],
[
49,
25
],
[
37,
28
],
[
11,
29
],
[
38,
33
],
[
47,
33
],
[
11,
37
],
[
37,
38
],
[
40,
41
],
[
43,
44
],
[
46,
47
],
[
49,
50
],
[
52,
53
]
] | [
"s=input()\nans,skip='',0\nfor c in reversed(s):\n if c=='B':\n skip+=1\n elif skip:\n skip-=1\n else:\n ans+=c\n\nprint(ans[::-1])",
"s=input()",
"s",
"input()",
"input",
"ans,skip='',0",
"ans",
"''",
"skip",
"0",
"for c in reversed(s):\n if c=='B':\n skip+=1\n elif skip:\n skip-=1\n else:\n ans+=c",
"c",
"reversed(s)",
"reversed",
"s",
"if c=='B':\n skip+=1\n elif skip:\n skip-=1\n else:\n ans+=c",
"c=='B'",
"c",
"'B'",
"skip+=1",
"skip",
"1",
"elif skip:\n skip-=1\n ",
"skip",
"skip-=1",
"skip",
"1",
"ans+=c",
"ans",
"c",
"print(ans[::-1])",
"print",
"ans[::-1]",
"ans",
"::-1",
"-1",
"ans+=c",
"c",
"ans",
"skip='',0",
"0",
"skip",
"skip+=1",
"1",
"skip",
"ans,skip='',0",
"''",
"ans",
"skip-=1",
"1",
"skip",
"s=input()",
"input()",
"s"
] | s=input()
ans,skip='',0
for c in reversed(s):
if c=='B':
skip+=1
elif skip:
skip-=1
else:
ans+=c
print(ans[::-1])
|
[
7,
12,
13,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
40,
13,
17,
4,
18,
13,
13,
13,
14,
4,
13,
13,
4,
18,
13,
13,
17,
0,
13,
4,
18,
17,
13,
13,
29,
13,
4,
13,
4,
13,
10,
12,
13
] | [
[
5,
4
],
[
9,
8
],
[
12,
11
],
[
4,
11
],
[
11,
15
],
[
8,
19
],
[
11,
21
],
[
8,
25
],
[
8,
28
],
[
33,
32
],
[
8,
37
],
[
32,
39
],
[
8,
39
],
[
46,
43
]
] | [
"def solve():\n S = input()\n ans = []\n for s in S:\n if s!='B':\n ans.append(s)\n else:\n if len(ans):\n ans.pop(-1)\n ans = ''.join(ans)\n return ans\nprint(solve())",
"def solve():\n S = input()\n ans = []\n for s in S:\n if s!='B':\n ans.append(s)\n else:\n if len(ans):\n ans.pop(-1)\n ans = ''.join(ans)\n return ans",
"solve",
"S = input()",
"S",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for s in S:\n if s!='B':\n ans.append(s)\n else:\n if len(ans):\n ans.pop(-1)\n ",
"s",
"S",
"if s!='B':\n ans.append(s)\n else:\n if len(ans):\n ans.pop(-1)\n ",
"s!='B'",
"s",
"'B'",
"ans.append(s)",
"ans.append",
"ans",
"append",
"s",
"if len(ans):\n ans.pop(-1)\n ",
"len(ans)",
"len",
"ans",
"ans.pop(-1)",
"ans.pop",
"ans",
"pop",
"-1",
"ans = ''.join(ans)",
"ans",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"return ans",
"ans",
"print(solve())",
"print",
"solve()",
"solve",
"def solve():\n S = input()\n ans = []\n for s in S:\n if s!='B':\n ans.append(s)\n else:\n if len(ans):\n ans.pop(-1)\n ans = ''.join(ans)\n return ans",
"def solve():\n S = input()\n ans = []\n for s in S:\n if s!='B':\n ans.append(s)\n else:\n if len(ans):\n ans.pop(-1)\n ans = ''.join(ans)\n return ans",
"solve"
] | def solve():
S = input()
ans = []
for s in S:
if s!='B':
ans.append(s)
else:
if len(ans):
ans.pop(-1)
ans = ''.join(ans)
return ans
print(solve()) |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
2,
13,
17,
2,
13,
17,
4,
18,
13,
13,
13,
14,
2,
13,
17,
14,
40,
13,
9,
4,
18,
13,
13,
28,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
42,
2
],
[
45,
8
],
[
12,
11
],
[
43,
11
],
[
11,
16
],
[
11,
19
],
[
46,
23
],
[
11,
25
],
[
11,
28
],
[
46,
32
],
[
46,
36
],
[
40,
39
],
[
46,
39
],
[
42,
43
],
[
45,
46
]
] | [
"S = str(input())\n\nstack = []\n\nfor s in S:\n if s == '0' or s == '1':\n stack.append(s)\n elif s == 'B':\n if not stack:\n continue\n else:\n stack.pop()\n\nfor s in stack:print(s,end='')",
"S = str(input())",
"S",
"str(input())",
"str",
"input()",
"input",
"stack = []",
"stack",
"[]",
"for s in S:\n if s == '0' or s == '1':\n stack.append(s)\n elif s == 'B':\n if not stack:\n continue\n else:\n stack.pop()",
"s",
"S",
"if s == '0' or s == '1':\n stack.append(s)\n elif s == 'B':\n if not stack:\n continue\n else:\n stack.pop()",
"s == '0' or s == '1'",
"s == '0'",
"s",
"'0'",
"s == '1'",
"s",
"'1'",
"stack.append(s)",
"stack.append",
"stack",
"append",
"s",
"elif s == 'B':\n if not stack:\n continue\n else:\n stack.pop()",
"s == 'B'",
"s",
"'B'",
"if not stack:\n continue\n else:\n stack.pop()",
"not stack",
"stack",
"continue",
"stack.pop()",
"stack.pop",
"stack",
"pop",
"for s in stack:print(s,end='')",
"s",
"stack",
"S = str(input())",
"str(input())",
"S",
"stack = []",
"[]",
"stack"
] | S = str(input())
stack = []
for s in S:
if s == '0' or s == '1':
stack.append(s)
elif s == 'B':
if not stack:
continue
else:
stack.pop()
for s in stack:print(s,end='') |
[
7,
0,
13,
4,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
2,
13,
17,
0,
13,
17,
14,
2,
13,
17,
0,
13,
17,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
18,
13,
10,
4,
13,
10,
17,
13,
10,
17,
13,
10,
17,
13
] | [
[
40,
2
],
[
49,
8
],
[
12,
11
],
[
41,
11
],
[
11,
15
],
[
46,
18
],
[
11,
22
],
[
43,
25
],
[
37,
28
],
[
50,
30
],
[
38,
30
],
[
44,
30
],
[
47,
30
],
[
38,
35
],
[
44,
35
],
[
47,
35
],
[
50,
35
],
[
37,
38
],
[
40,
41
],
[
43,
44
],
[
46,
47
],
[
49,
50
]
] | [
"s = list(input())\nans = \"\"\nfor i in s:\n if i == \"0\":\n ans += \"0\"\n elif i == \"1\":\n ans += \"1\"\n else:\n ans = ans[:-1]\nprint(ans)",
"s = list(input())",
"s",
"list(input())",
"list",
"input()",
"input",
"ans = \"\"",
"ans",
"\"\"",
"for i in s:\n if i == \"0\":\n ans += \"0\"\n elif i == \"1\":\n ans += \"1\"\n else:\n ans = ans[:-1]",
"i",
"s",
"if i == \"0\":\n ans += \"0\"\n elif i == \"1\":\n ans += \"1\"\n else:\n ans = ans[:-1]",
"i == \"0\"",
"i",
"\"0\"",
"ans += \"0\"",
"ans",
"\"0\"",
"elif i == \"1\":\n ans += \"1\"\n ",
"i == \"1\"",
"i",
"\"1\"",
"ans += \"1\"",
"ans",
"\"1\"",
"ans = ans[:-1]",
"ans",
"ans[:-1]",
"ans",
":-1",
"-1",
"print(ans)",
"print",
"ans",
"ans = ans[:-1]",
"ans[:-1]",
"ans",
"s = list(input())",
"list(input())",
"s",
"ans += \"1\"",
"\"1\"",
"ans",
"ans += \"0\"",
"\"0\"",
"ans",
"ans = \"\"",
"\"\"",
"ans"
] | s = list(input())
ans = ""
for i in s:
if i == "0":
ans += "0"
elif i == "1":
ans += "1"
else:
ans = ans[:-1]
print(ans) |
[
7,
0,
13,
4,
13,
0,
13,
17,
28,
13,
13,
14,
40,
13,
17,
0,
13,
13,
0,
13,
18,
13,
39,
17,
4,
13,
13,
10,
13,
13,
10,
4,
13,
10,
18,
13,
10,
17,
13
] | [
[
31,
2
],
[
37,
6
],
[
10,
9
],
[
32,
9
],
[
9,
13
],
[
28,
16
],
[
9,
17
],
[
34,
19
],
[
38,
21
],
[
35,
21
],
[
29,
21
],
[
35,
26
],
[
29,
26
],
[
38,
26
],
[
9,
28
],
[
28,
29
],
[
31,
32
],
[
34,
35
],
[
37,
38
]
] | [
"S = input()\n\nret = \"\"\nfor i in S:\n if i != \"B\":\n ret += i\n else:\n ret = ret[:-1]\n\nprint(ret)",
"S = input()",
"S",
"input()",
"input",
"ret = \"\"",
"ret",
"\"\"",
"for i in S:\n if i != \"B\":\n ret += i\n else:\n ret = ret[:-1]",
"i",
"S",
"if i != \"B\":\n ret += i\n else:\n ret = ret[:-1]",
"i != \"B\"",
"i",
"\"B\"",
"ret += i",
"ret",
"i",
"ret = ret[:-1]",
"ret",
"ret[:-1]",
"ret",
":-1",
"-1",
"print(ret)",
"print",
"ret",
"ret += i",
"i",
"ret",
"S = input()",
"input()",
"S",
"ret = ret[:-1]",
"ret[:-1]",
"ret",
"ret = \"\"",
"\"\"",
"ret"
] | S = input()
ret = ""
for i in S:
if i != "B":
ret += i
else:
ret = ret[:-1]
print(ret) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
2,
13,
17,
2,
13,
17,
4,
18,
13,
13,
13,
14,
2,
13,
39,
9,
4,
18,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
41,
2
],
[
44,
6
],
[
10,
9
],
[
42,
9
],
[
9,
14
],
[
9,
17
],
[
45,
21
],
[
9,
23
],
[
45,
26
],
[
45,
31
],
[
45,
39
],
[
41,
42
],
[
44,
45
]
] | [
"s = input()\n\nans = []\n\nfor i in s:\n if i == '1' or i == '0':\n ans.append(i)\n else:\n if ans == []:\n continue\n else:\n ans.pop()\n\nprint(''.join(ans))",
"s = input()",
"s",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for i in s:\n if i == '1' or i == '0':\n ans.append(i)\n else:\n if ans == []:\n continue\n else:\n ans.pop()",
"i",
"s",
"if i == '1' or i == '0':\n ans.append(i)\n else:\n if ans == []:\n continue\n else:\n ans.pop()",
"i == '1' or i == '0'",
"i == '1'",
"i",
"'1'",
"i == '0'",
"i",
"'0'",
"ans.append(i)",
"ans.append",
"ans",
"append",
"i",
"if ans == []:\n continue\n else:\n ans.pop()",
"ans == []",
"ans",
"[]",
"continue",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"s = input()",
"input()",
"s",
"ans = []",
"[]",
"ans"
] | s = input()
ans = []
for i in s:
if i == '1' or i == '0':
ans.append(i)
else:
if ans == []:
continue
else:
ans.pop()
print(''.join(ans))
|
[
7,
0,
13,
17,
28,
13,
4,
13,
0,
13,
8,
2,
13,
17,
18,
13,
39,
17,
2,
13,
13,
4,
13,
13,
10,
17,
13,
10,
8,
13
] | [
[
25,
2
],
[
6,
5
],
[
28,
9
],
[
5,
12
],
[
26,
15
],
[
29,
15
],
[
26,
19
],
[
29,
19
],
[
5,
20
],
[
29,
23
],
[
26,
23
],
[
25,
26
],
[
28,
29
]
] | [
"n=''\nfor i in input():\n n=n[:-1] if i == 'B' else n+i\nprint(n)",
"n=''",
"n",
"''",
"for i in input():\n n=n[:-1] if i == 'B' else n+i",
"i",
"input()",
"input",
"n=n[:-1] if i == 'B' else n+i",
"n",
"n[:-1] if i == 'B' else n+i",
"i == 'B'",
"i",
"'B'",
"n[:-1]",
"n",
":-1",
"-1",
"n+i",
"n",
"i",
"print(n)",
"print",
"n",
"n=''",
"''",
"n",
"n=n[:-1] if i == 'B' else n+i",
"n[:-1] if i == 'B' else n+i",
"n"
] | n=''
for i in input():
n=n[:-1] if i == 'B' else n+i
print(n)
|
[
7,
0,
13,
4,
13,
0,
13,
2,
4,
13,
13,
17,
0,
13,
17,
42,
40,
13,
17,
42,
2,
40,
13,
17,
40,
18,
13,
13,
17,
0,
13,
18,
13,
13,
0,
13,
17,
0,
13,
17,
42,
2,
40,
13,
17,
2,
18,
13,
13,
17,
0,
13,
17,
0,
13,
17,
0,
13,
13,
4,
13,
18,
13,
39,
17,
10,
17,
13,
10,
18,
13,
10,
4,
13,
10,
13,
13,
10,
17,
13,
10,
2,
13,
10,
17,
13,
10,
17,
13,
10,
17,
13
] | [
[
72,
2
],
[
81,
6
],
[
73,
10
],
[
90,
13
],
[
82,
17
],
[
76,
17
],
[
67,
17
],
[
88,
17
],
[
82,
22
],
[
88,
22
],
[
76,
22
],
[
67,
22
],
[
73,
26
],
[
82,
27
],
[
88,
27
],
[
76,
27
],
[
67,
27
],
[
69,
30
],
[
73,
32
],
[
82,
33
],
[
88,
33
],
[
76,
33
],
[
67,
33
],
[
87,
35
],
[
78,
38
],
[
88,
43
],
[
82,
43
],
[
67,
43
],
[
76,
43
],
[
73,
47
],
[
88,
48
],
[
82,
48
],
[
67,
48
],
[
76,
48
],
[
66,
51
],
[
84,
54
],
[
75,
57
],
[
85,
58
],
[
79,
58
],
[
70,
62
],
[
91,
62
],
[
66,
67
],
[
69,
70
],
[
72,
73
],
[
85,
75
],
[
79,
75
],
[
75,
76
],
[
78,
79
],
[
81,
82
],
[
84,
85
],
[
87,
88
],
[
90,
91
]
] | [
"s = input()\ni = len(s) - 1\nres = ''\nwhile i >= 0:\n while i >= 0 and s[i] != 'B':\n res += s[i]\n i -= 1\n cnt = 0\n while i >= 0 and s[i] == 'B':\n i -= 1\n cnt += 1\n i -= cnt\nprint(res[::-1])",
"s = input()",
"s",
"input()",
"input",
"i = len(s) - 1",
"i",
"len(s) - 1",
"len(s)",
"len",
"s",
"1",
"res = ''",
"res",
"''",
"while i >= 0:\n while i >= 0 and s[i] != 'B':\n res += s[i]\n i -= 1\n cnt = 0\n while i >= 0 and s[i] == 'B':\n i -= 1\n cnt += 1\n i -= cnt",
"i >= 0",
"i",
"0",
"while i >= 0 and s[i] != 'B':\n res += s[i]\n i -= 1\n ",
"i >= 0 and s[i] != 'B'",
"i >= 0",
"i",
"0",
"s[i] != 'B'",
"s[i]",
"s",
"i",
"'B'",
"res += s[i]",
"res",
"s[i]",
"s",
"i",
"i -= 1",
"i",
"1",
"cnt = 0",
"cnt",
"0",
"while i >= 0 and s[i] == 'B':\n i -= 1\n cnt += 1\n ",
"i >= 0 and s[i] == 'B'",
"i >= 0",
"i",
"0",
"s[i] == 'B'",
"s[i]",
"s",
"i",
"'B'",
"i -= 1",
"i",
"1",
"cnt += 1",
"cnt",
"1",
"i -= cnt",
"i",
"cnt",
"print(res[::-1])",
"print",
"res[::-1]",
"res",
"::-1",
"-1",
"i -= 1",
"1",
"i",
"res += s[i]",
"s[i]",
"res",
"s = input()",
"input()",
"s",
"i -= cnt",
"cnt",
"i",
"cnt = 0",
"0",
"cnt",
"i = len(s) - 1",
"len(s) - 1",
"i",
"cnt += 1",
"1",
"cnt",
"i -= 1",
"1",
"i",
"res = ''",
"''",
"res"
] | s = input()
i = len(s) - 1
res = ''
while i >= 0:
while i >= 0 and s[i] != 'B':
res += s[i]
i -= 1
cnt = 0
while i >= 0 and s[i] == 'B':
i -= 1
cnt += 1
i -= cnt
print(res[::-1])
|
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
14,
13,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
39,
13,
10,
4,
13
] | [
[
33,
2
],
[
30,
6
],
[
10,
9
],
[
34,
9
],
[
9,
13
],
[
31,
19
],
[
9,
21
],
[
31,
28
],
[
30,
31
],
[
33,
34
]
] | [
"S = input()\n\nans = []\nfor c in S:\n if c=='B':\n if ans: ans.pop()\n else:\n ans.append(c)\nprint(''.join(ans))",
"S = input()",
"S",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for c in S:\n if c=='B':\n if ans: ans.pop()\n else:\n ans.append(c)",
"c",
"S",
"if c=='B':\n if ans: ans.pop()\n else:\n ans.append(c)",
"c=='B'",
"c",
"'B'",
"if ans: ans.pop()\n ",
"ans",
"ans.append(c)",
"ans.append",
"ans",
"append",
"c",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"ans = []",
"[]",
"ans",
"S = input()",
"input()",
"S"
] | S = input()
ans = []
for c in S:
if c=='B':
if ans: ans.pop()
else:
ans.append(c)
print(''.join(ans)) |
[
7,
0,
13,
4,
13,
0,
13,
39,
28,
13,
13,
14,
2,
13,
17,
14,
2,
4,
13,
13,
17,
4,
18,
13,
13,
4,
18,
13,
13,
13,
4,
13,
4,
18,
17,
13,
13,
10,
4,
13,
10,
39,
13
] | [
[
38,
2
],
[
41,
6
],
[
10,
9
],
[
39,
9
],
[
9,
13
],
[
42,
19
],
[
42,
23
],
[
42,
27
],
[
9,
29
],
[
42,
36
],
[
38,
39
],
[
41,
42
]
] | [
"s = input()\nans = []\nfor c in s:\n if c == 'B':\n if len(ans) > 0:\n ans.pop()\n else:\n ans.append(c)\nprint(''.join(ans))",
"s = input()",
"s",
"input()",
"input",
"ans = []",
"ans",
"[]",
"for c in s:\n if c == 'B':\n if len(ans) > 0:\n ans.pop()\n else:\n ans.append(c)",
"c",
"s",
"if c == 'B':\n if len(ans) > 0:\n ans.pop()\n else:\n ans.append(c)",
"c == 'B'",
"c",
"'B'",
"if len(ans) > 0:\n ans.pop()\n ",
"len(ans) > 0",
"len(ans)",
"len",
"ans",
"0",
"ans.pop()",
"ans.pop",
"ans",
"pop",
"ans.append(c)",
"ans.append",
"ans",
"append",
"c",
"print(''.join(ans))",
"print",
"''.join(ans)",
"''.join",
"''",
"join",
"ans",
"s = input()",
"input()",
"s",
"ans = []",
"[]",
"ans"
] | s = input()
ans = []
for c in s:
if c == 'B':
if len(ans) > 0:
ans.pop()
else:
ans.append(c)
print(''.join(ans))
|
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