#include <stdio.h>
int main() {
char a[40] = "";
char b[40] = "";
char c;
if (scanf("%39[^\n]%c", a
, &c
) == EOF
) return 1; if (c
!= '\n') scanf("%*[^\n]%*c"); if (scanf("%39[^\n]%c", b
, &c
) == EOF
) return 1; if (c
!= '\n') scanf("%*[^\n]%*c"); }
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbigpIHsKICAgIGNoYXIgYVs0MF0gPSAiIjsKICAgIGNoYXIgYls0MF0gPSAiIjsKICAgIGNoYXIgYzsKICAgIGlmIChzY2FuZigiJTM5W15cbl0lYyIsIGEsICZjKSA9PSBFT0YpIHJldHVybiAxOwogICAgaWYgKGMgIT0gJ1xuJykgc2NhbmYoIiUqW15cbl0lKmMiKTsKICAgIGlmIChzY2FuZigiJTM5W15cbl0lYyIsIGIsICZjKSA9PSBFT0YpIHJldHVybiAxOwogICAgaWYgKGMgIT0gJ1xuJykgc2NhbmYoIiUqW15cbl0lKmMiKTsKICAgIHByaW50ZigiJXNcbiVzIiwgYSwgYik7Cn0=