import re

s = eval(input())



print((len(s) * "x"))

msg = eval(input())

y = ''

for i in range(len(msg)):

    y += 'x'

print(y)

import re

s = eval(input())
print((len(s) * "x"))

msg = eval(input())
y = ""
for i in range(len(msg)):
    y += "x"
print(y)

-import re - -s = eval(input()) -print((len(s) * "x")) +msg = eval(input()) +y = "" +for i in range(len(msg)): +    y += "x" +print(y)