def main():
    s = input()
    slen = len(s)
    a = ""
    for i in range(slen):
        a += "x"
    print(a)


    
if __name__ == "__main__":
    main() def main():
    s = input()
    slen = len(s)
    a = ""
    for i in range(slen):
        a += "x"
    print(a)


     main s = input() s input() input slen = len(s) slen len(s) len s a = "" a "" for i in range(slen):
        a += "x"
     i range(slen) range slen a += "x" a "x" print(a) print a if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def main():
    s = input()
    slen = len(s)
    a = ""
    for i in range(slen):
        a += "x"
    print(a)


     def main():
    s = input()
    slen = len(s)
    a = ""
    for i in range(slen):
        a += "x"
    print(a)


     main
def main():
    s = input()
    slen = len(s)
    a = ""
    for i in range(slen):
        a += "x"
    print(a)


    
if __name__ == "__main__":
    main()
