def atc_154b(S: str) -> str:
    return "x" * len(S)

S_input = input()
print(atc_154b(S_input)) def atc_154b(S: str) -> str:
    return "x" * len(S) atc_154b return "x" * len(S) "x" * len(S) "x" len(S) len S S: str S S_input = input() S_input input() input print(atc_154b(S_input)) print atc_154b(S_input) atc_154b S_input S_input = input() input() S_input def atc_154b(S: str) -> str:
    return "x" * len(S) def atc_154b(S: str) -> str:
    return "x" * len(S) atc_154b
def atc_154b(S: str) -> str:
    return "x" * len(S)

S_input = input()
print(atc_154b(S_input))
