s = input()
l = len(s)
L = ['x']*l
K = ''.join(L)

print(K) s = input() s input() input l = len(s) l len(s) len s L = ['x']*l L ['x']*l ['x'] 'x' l K = ''.join(L) K ''.join(L) ''.join '' join L print(K) print K K = ''.join(L) ''.join(L) K L = ['x']*l ['x']*l L s = input() input() s l = len(s) len(s) l
s = input()
l = len(s)
L = ['x']*l
K = ''.join(L)

print(K)