s = list(input())

for i in range(0, len(s)):
    s[i] = "x"

convert = "".join(s)
print(convert) s = list(input()) s list(input()) list input() input for i in range(0, len(s)):
    s[i] = "x" i range(0, len(s)) range 0 len(s) len s s[i] = "x" s[i] s i "x" convert = "".join(s) convert "".join(s) "".join "" join s print(convert) print convert convert = "".join(s) "".join(s) convert s = list(input()) list(input()) s
s = list(input())

for i in range(0, len(s)):
    s[i] = "x"

convert = "".join(s)
print(convert)
