s = input()
x = ""

for i in range(len(s)):
    x += "x"

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

for i in range(len(s)):
    x += "x"

print(x)