#include <stdio.h>
int main()
{
int A, B;
while(scanf("%d %d", &A
, &B
) != EOF
) {
//scanf("%d %d", &A, &B);
A = 0;
B = 0;
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiAKaW50IG1haW4oKQp7CiAgICBpbnQgQSwgQjsKIAogICAgd2hpbGUoc2NhbmYoIiVkICVkIiwgJkEsICZCKSAhPSBFT0YpCiAgICB7CiAgICAgICAgLy9zY2FuZigiJWQgJWQiLCAmQSwgJkIpOwogICAgICAgICAKICAgICAgICBwcmludGYoIiVkXG4iLCBBK0IpOwogICAgICAgIAogICAgICAgIEEgPSAwOwogICAgICAgIEIgPSAwOwogICAgfQogCiAgICByZXR1cm4gMDsKfQ==