import sys
input = lambda: sys.stdin.readline().rstrip()

def main():
    s = list(input())
    print('x'*len(s))

if __name__ == '__main__':
    main() import sys sys input = lambda: sys.stdin.readline().rstrip() input lambda: sys.stdin.readline().rstrip() sys.stdin.readline().rstrip() sys.stdin.readline().rstrip sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline rstrip def main():
    s = list(input())
    print('x'*len(s)) main s = list(input()) s list(input()) list input() input print('x'*len(s)) print 'x'*len(s) 'x' len(s) len s if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main input = lambda: sys.stdin.readline().rstrip() lambda: sys.stdin.readline().rstrip() input def main():
    s = list(input())
    print('x'*len(s)) def main():
    s = list(input())
    print('x'*len(s)) main
import sys
input = lambda: sys.stdin.readline().rstrip()

def main():
    s = list(input())
    print('x'*len(s))

if __name__ == '__main__':
    main()