［AtCoder］ABC-111｜A - AtCoder Beginner Contest 999

設問ページ

• 🔗ABC-111 A - AtCoder Beginner Contest 999

提出結果

def getString():
    return input()


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

    s = ''
    for c in n:
        s += '1' if c == '9' else '9'
    print(s)


if __name__ == "__main__":
    main()