#include <stdio.h>
int main () {
int head, leg, chick, rabbit;
scanf("%d %d", &head, &leg);
if (leg <= head*2 || leg >= head*4) {
printf("ERROR\n");
}
else {
rabbit = (leg - 2*head) / 2;
chick = head - rabbit;
printf("%d %d\n", chick, rabbit);
}
return 0;
}