S = list(input())
n = len(S)
t = 'x'
for i in range(n-1):
  t += 'x'
print(t) S = list(input()) S list(input()) list input() input n = len(S) n len(S) len S t = 'x' t 'x' for i in range(n-1):
  t += 'x' i range(n-1) range n-1 n 1 t += 'x' t 'x' print(t) print t t = 'x' 'x' t t += 'x' 'x' t S = list(input()) list(input()) S n = len(S) len(S) n
S = list(input())
n = len(S)
t = 'x'
for i in range(n-1):
  t += 'x'
print(t)
