S = len(list(input()))
a = 'x'
x = ''
for i in range(S):
  x +=a
print(x) S = len(list(input())) S len(list(input())) len list(input()) list input() input a = 'x' a 'x' x = '' x '' for i in range(S):
  x +=a i range(S) range S x +=a x a print(x) print x S = len(list(input())) len(list(input())) S x = '' '' x x +=a a x a = 'x' 'x' a
S = len(list(input()))
a = 'x'
x = ''
for i in range(S):
  x +=a
print(x)