import sys

readline = sys.stdin.readline
MOD = 10 ** 9 + 7
INF = float('INF')
sys.setrecursionlimit(10 ** 5)


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

    print("x" * l)


if __name__ == '__main__':
    main() import sys sys readline = sys.stdin.readline readline sys.stdin.readline sys.stdin sys stdin readline MOD = 10 ** 9 + 7 MOD 10 ** 9 + 7 10 ** 9 10 9 7 INF = float('INF') INF float('INF') float 'INF' sys.setrecursionlimit(10 ** 5) sys.setrecursionlimit sys setrecursionlimit 10 ** 5 10 5 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 INF = float('INF') float('INF') INF readline = sys.stdin.readline sys.stdin.readline readline MOD = 10 ** 9 + 7 10 ** 9 + 7 MOD def main():
    S = input()
    l = len(S)

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

    print("x" * l) main
import sys

readline = sys.stdin.readline
MOD = 10 ** 9 + 7
INF = float('INF')
sys.setrecursionlimit(10 ** 5)


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

    print("x" * l)


if __name__ == '__main__':
    main()
