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