［AtCoder］ABC-400 ｜A - ABC400 Party

設問ページ

• 🔗ABC-400 A - ABC400 Party

提出結果

def getInt():
    return int(input())


def main():
    A = getInt()

    d, m = divmod(400, A)

    print(d if m == 0 else -1)


if __name__ == "__main__":
    main()