［AtCoder］ABC-203｜A - Chinchirorin

設問ページ

• 🔗ABC-203 A - Chinchirorin

提出結果

def getIntList():
    return list(map(int, input().split()))


def main():
    l = getIntList()

    l.sort()
    c = len(set(l))

    if c == 3:
        print(0)
    elif c == 1:
        print(l[0])
    else:
        print(l[2] if l[0] == l[1] else l[0])


if __name__ == "__main__":
    main()