s = list(input())

ans = ""
for i in range(len(s)):
  ans += "x"

print(ans) s = list(input()) s list(input()) list input() input ans = "" ans "" for i in range(len(s)):
  ans += "x" i range(len(s)) range len(s) len s ans += "x" ans "x" print(ans) print ans s = list(input()) list(input()) s ans += "x" "x" ans ans = "" "" ans
s = list(input())

ans = ""
for i in range(len(s)):
  ans += "x"

print(ans)