S = input()
Sx = ""
for _ in range(len(S)):
  Sx += "x"
S = Sx
print(S) S = input() S input() input Sx = "" Sx "" for _ in range(len(S)):
  Sx += "x" _ range(len(S)) range len(S) len S Sx += "x" Sx "x" S = Sx S Sx print(S) print S Sx = "" "" Sx S = Sx Sx S Sx += "x" "x" Sx S = input() input() S
S = input()
Sx = ""
for _ in range(len(S)):
  Sx += "x"
S = Sx
print(S)