def main():
    s = (input())
    l = ['x' for i in range(len(s))]
    print(''.join(l))
    
main() def main():
    s = (input())
    l = ['x' for i in range(len(s))]
    print(''.join(l))
     main s = (input()) s input() input 'x' for i in range(len(s)) for i in range(len(s)) i range(len(s)) range len(s) len s for i in range(len(s)) 'x' l = ['x' for i in range(len(s))] l ['x' for i in range(len(s))] print(''.join(l)) print ''.join(l) ''.join '' join l main() main def main():
    s = (input())
    l = ['x' for i in range(len(s))]
    print(''.join(l))
     def main():
    s = (input())
    l = ['x' for i in range(len(s))]
    print(''.join(l))
     main
def main():
    s = (input())
    l = ['x' for i in range(len(s))]
    print(''.join(l))
    
main()