def main():
    S = input().rstrip()
    print("x" * len(S))


if __name__ == '__main__':
    main() def main():
    S = input().rstrip()
    print("x" * len(S)) main S = input().rstrip() S input().rstrip() ().rstrip () input rstrip print("x" * len(S)) print "x" * len(S) "x" len(S) len S if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main def main():
    S = input().rstrip()
    print("x" * len(S)) def main():
    S = input().rstrip()
    print("x" * len(S)) main
def main():
    S = input().rstrip()
    print("x" * len(S))


if __name__ == '__main__':
    main()
