［AtCoder］ABC-327｜A - ab

設問ページ

• 🔗ABC-327 A - ab

提出結果

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


def getString():
    return input()


def main():
    n = getInt()
    s = getString()

    print('Yes' if 'ab' in s or 'ba' in s else 'No')


if __name__ == "__main__":
    main()