s = input()
t = ''

for _ in range(len(s)):
    t += 'x'

print(t) s = input() s input() input t = '' t '' for _ in range(len(s)):
    t += 'x' _ range(len(s)) range len(s) len s t += 'x' t 'x' print(t) print t t = '' '' t t += 'x' 'x' t s = input() input() s
s = input()
t = ''

for _ in range(len(s)):
    t += 'x'

print(t)