s = input()
a = list(s)

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

for i in range(len(s)):
    a[i] = 'x'
    
ans = "".join(a)
    
print(ans)