def main():

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

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

    S = input()
    return 'x' * len(S) def main():

    S = input()
    return 'x' * len(S) main
def main():

    S = input()
    return 'x' * len(S)
if __name__ == '__main__':
    print(main())
