s=input()
count=0
for i in s:
    count+=1
print('x'*count) s=input() s input() input count=0 count 0 for i in s:
    count+=1 i s count+=1 count 1 print('x'*count) print 'x'*count 'x' count count=0 0 count count+=1 1 count s=input() input() s
s=input()
count=0
for i in s:
    count+=1
print('x'*count)