import sys

read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
sys.setrecursionlimit(10 ** 9)
INF = 1 << 60
MOD = 1000000007


def main():
    S = readline().strip()

    print('x' * len(S))

    return


if __name__ == '__main__':
    main() import sys sys read = sys.stdin.read read sys.stdin.read sys.stdin sys stdin read readline = sys.stdin.readline readline sys.stdin.readline sys.stdin sys stdin readline readlines = sys.stdin.readlines readlines sys.stdin.readlines sys.stdin sys stdin readlines sys.setrecursionlimit(10 ** 9) sys.setrecursionlimit sys setrecursionlimit 10 ** 9 10 9 INF = 1 << 60 INF 1 << 60 1 60 MOD = 1000000007 MOD 1000000007 def main():
    S = readline().strip()

    print('x' * len(S))

    return main S = readline().strip() S readline().strip() ().strip () readline strip print('x' * len(S)) print 'x' * len(S) 'x' len(S) len S return if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main readline = sys.stdin.readline sys.stdin.readline readline MOD = 1000000007 1000000007 MOD readlines = sys.stdin.readlines sys.stdin.readlines readlines read = sys.stdin.read sys.stdin.read read INF = 1 << 60 1 << 60 INF def main():
    S = readline().strip()

    print('x' * len(S))

    return def main():
    S = readline().strip()

    print('x' * len(S))

    return main
import sys

read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
sys.setrecursionlimit(10 ** 9)
INF = 1 << 60
MOD = 1000000007


def main():
    S = readline().strip()

    print('x' * len(S))

    return


if __name__ == '__main__':
    main()
