def main():
    S = input()
    L = len(S)

    print('x' * L)


if __name__ == '__main__':
    main() def main():
    S = input()
    L = len(S)

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

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

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

    print('x' * L)


if __name__ == '__main__':
    main()
