import math
import collections

def main():
  S = input()
  
  lenth = len(S)
  a = ''
  
  for _ in range(lenth):
    a += 'x' 
  print(a)
  
main() import math math import collections collections def main():
  S = input()
  
  lenth = len(S)
  a = ''
  
  for _ in range(lenth):
    a += 'x' 
  print(a)
   main S = input() S input() input lenth = len(S) lenth len(S) len S a = '' a '' for _ in range(lenth):
    a += 'x' 
   _ range(lenth) range lenth a += 'x' a 'x' print(a) print a main() main def main():
  S = input()
  
  lenth = len(S)
  a = ''
  
  for _ in range(lenth):
    a += 'x' 
  print(a)
   def main():
  S = input()
  
  lenth = len(S)
  a = ''
  
  for _ in range(lenth):
    a += 'x' 
  print(a)
   main
import math
import collections

def main():
  S = input()
  
  lenth = len(S)
  a = ''
  
  for _ in range(lenth):
    a += 'x' 
  print(a)
  
main()