from sys import stdin 

def main():
    s = input()
    print(len(s)*"x")
    
if __name__ == "__main__":
    main() from sys import stdin def main():
    s = input()
    print(len(s)*"x")
     main s = input() s input() input print(len(s)*"x") print len(s)*"x" len(s) len s "x" if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def main():
    s = input()
    print(len(s)*"x")
     def main():
    s = input()
    print(len(s)*"x")
     main
from sys import stdin 

def main():
    s = input()
    print(len(s)*"x")
    
if __name__ == "__main__":
    main()