S = input()
i = 0
while i < len(S):
    print('x', end='')
    i += 1 S = input() S input() input i = 0 i 0 while i < len(S):
    print('x', end='')
    i += 1 i < len(S) i len(S) len S print('x', end='') print 'x' end='' end '' i += 1 i 1 i = 0 0 i S = input() input() S i += 1 1 i
S = input()
i = 0
while i < len(S):
    print('x', end='')
    i += 1