def answer(s: str) -> str:
    return 'x' * len(s)

def main():
    s = input()
    print(answer(s))

if __name__ == '__main__':
    main() def answer(s: str) -> str:
    return 'x' * len(s) answer return 'x' * len(s) 'x' * len(s) 'x' len(s) len s s: str s def main():
    s = input()
    print(answer(s)) main s = input() s input() input print(answer(s)) print answer(s) answer s if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main def main():
    s = input()
    print(answer(s)) def main():
    s = input()
    print(answer(s)) main def answer(s: str) -> str:
    return 'x' * len(s) def answer(s: str) -> str:
    return 'x' * len(s) answer
def answer(s: str) -> str:
    return 'x' * len(s)

def main():
    s = input()
    print(answer(s))

if __name__ == '__main__':
    main()