def main():
    S = str(input())
    s = ''
    for i in range(len(S)):
        s = s + 'x'
    print(s)

main() def main():
    S = str(input())
    s = ''
    for i in range(len(S)):
        s = s + 'x'
    print(s) main S = str(input()) S str(input()) str input() input s = '' s '' for i in range(len(S)):
        s = s + 'x'
     i range(len(S)) range len(S) len S s = s + 'x' s s + 'x' s 'x' print(s) print s main() main def main():
    S = str(input())
    s = ''
    for i in range(len(S)):
        s = s + 'x'
    print(s) def main():
    S = str(input())
    s = ''
    for i in range(len(S)):
        s = s + 'x'
    print(s) main
def main():
    S = str(input())
    s = ''
    for i in range(len(S)):
        s = s + 'x'
    print(s)

main()