def main():
    s = input()
    ans = len(s) * "x"

    print(ans)


if __name__ == "__main__":
    main() def main():
    s = input()
    ans = len(s) * "x"

    print(ans) main s = input() s input() input ans = len(s) * "x" ans len(s) * "x" len(s) len s "x" print(ans) print ans if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def main():
    s = input()
    ans = len(s) * "x"

    print(ans) def main():
    s = input()
    ans = len(s) * "x"

    print(ans) main
def main():
    s = input()
    ans = len(s) * "x"

    print(ans)


if __name__ == "__main__":
    main()
