S = list(input())

# 問題文の通りに実装する
n = len(S)
for i in range(n):
  S[i] = 'x'

ans = ''
for i in range(n):
  ans += S[i]

print(ans) S = list(input()) S list(input()) list input() input n = len(S) n len(S) len S for i in range(n):
  S[i] = 'x' i range(n) range n S[i] = 'x' S[i] S i 'x' ans = '' ans '' for i in range(n):
  ans += S[i] i range(n) range n ans += S[i] ans S[i] S i print(ans) print ans n = len(S) len(S) n ans = '' '' ans ans += S[i] S[i] ans S = list(input()) list(input()) S
S = list(input())

# 問題文の通りに実装する
n = len(S)
for i in range(n):
  S[i] = 'x'

ans = ''
for i in range(n):
  ans += S[i]

print(ans)