S = input()
A = ""
for i in range(len(S)) :
    A = A + "x"

print(A) S = input() S input() input A = "" A "" for i in range(len(S)) :
    A = A + "x" i range(len(S)) range len(S) len S A = A + "x" A A + "x" A "x" print(A) print A A = A + "x" A + "x" A S = input() input() S A = "" "" A
S = input()
A = ""
for i in range(len(S)) :
    A = A + "x"

print(A)