［AtCoder］ABC-132｜A - Fifty-Fifty

設問ページ

• 🔗ABC-132 A - Fifty-Fifty

提出結果

def getString():
    return input()


def main():
    s = list(getString())

    print('Yes' if len(set(s)) == 2 else 'No')


if __name__ == "__main__":
    main()