S = input()
x = len(S)
list = []

for i in range(x):
    list.append('x')
    
print(''.join(list)) S = input() S input() input x = len(S) x len(S) len S list = [] list [] for i in range(x):
    list.append('x')
     i range(x) range x list.append('x') list.append list append 'x' print(''.join(list)) print ''.join(list) ''.join '' join list list = [] [] list S = input() input() S x = len(S) len(S) x
S = input()
x = len(S)
list = []

for i in range(x):
    list.append('x')
    
print(''.join(list))