N=input()
i=0
while i<len(N):
  print("x" ,end='')
  i+=1 N=input() N input() input i=0 i 0 while i<len(N):
  print("x" ,end='')
  i+=1 i<len(N) i len(N) len N print("x" ,end='') print "x" end='' end '' i+=1 i 1 i=0 0 i N=input() input() N i+=1 1 i
N=input()
i=0
while i<len(N):
  print("x" ,end='')
  i+=1