#include <stdio.h>
int main() {
int a,b,x,y;
a=x*y;
b=x+x+y+y;
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbigpIHsKaW50IGEsYix4LHk7CnNjYW5mKCIlZCwlZCIsJngsJnkpOwpwcmludGYoIue4puOBrumVt+OBleOBryVk5qiq44Gu6ZW344GV44GvJWQiLHgseSk7CmE9eCp5OwpiPXgreCt5K3k7CnByaW50Zigi6Z2i56mN44GvJWTlkajjga7plbfjgZXjga8lZCIsYSxiKTsKcmV0dXJuIDA7Cn0=