s=input()
n=len(s)
a="x"
for i in range(n-1):
    a+="x"
print(a) s=input() s input() input n=len(s) n len(s) len s a="x" a "x" for i in range(n-1):
    a+="x" i range(n-1) range n-1 n 1 a+="x" a "x" print(a) print a a+="x" "x" a a="x" "x" a n=len(s) len(s) n s=input() input() s
s=input()
n=len(s)
a="x"
for i in range(n-1):
    a+="x"
print(a)
