S = list(input()) 
for i in range(len(S)):
  S[i] = "x"
print(''.join(S)) S = list(input()) S list(input()) list input() input for i in range(len(S)):
  S[i] = "x" i range(len(S)) range len(S) len S S[i] = "x" S[i] S i "x" print(''.join(S)) print ''.join(S) ''.join '' join S S = list(input()) list(input()) S
S = list(input()) 
for i in range(len(S)):
  S[i] = "x"
print(''.join(S))