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[AtCoder]ABC-158|B - Count Balls
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提出結果
def getIntMap():
return map(int, input().split())
def main():
n, a, b = getIntMap()
c = n // (a + b) * a
m = n % (a + b)
c += m if m <= a else a
print(c)
if __name__ == "__main__":
main()
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