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29 lines
697 B
Python
29 lines
697 B
Python
def problem_p03609(input_data):
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import sys
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sys.setrecursionlimit(10**7)
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def I():
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return int(sys.stdin.readline().rstrip())
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def MI():
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return list(map(int, sys.stdin.readline().rstrip().split()))
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def LI():
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return list(map(int, sys.stdin.readline().rstrip().split())) # 空白あり
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def LI2():
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return list(map(int, sys.stdin.readline().rstrip())) # 空白なし
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def S():
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return sys.stdin.readline().rstrip()
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def LS():
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return list(sys.stdin.readline().rstrip().split()) # 空白あり
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def LS2():
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return list(sys.stdin.readline().rstrip()) # 空白なし
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X, t = MI()
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return max(0, X - t)
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