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[AtCoder]ABC-173|A - Payment
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提出結果
def getInt():
return int(input())
def main():
n = getInt()
m = n % 1000
print(0 if m == 0 else 1000 - m)
if __name__ == "__main__":
main()
def getInt():
return int(input())
def main():
n = getInt()
m = n % 1000
print(0 if m == 0 else 1000 - m)
if __name__ == "__main__":
main()
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