S = input()
a = ['x']*len(S)
print(''.join(a)) S = input() S input() input a = ['x']*len(S) a ['x']*len(S) ['x'] 'x' len(S) len S print(''.join(a)) print ''.join(a) ''.join '' join a a = ['x']*len(S) ['x']*len(S) a S = input() input() S
S = input()
a = ['x']*len(S)
print(''.join(a))