include

using namespace std;

int main () {

int n, m, x, y, f = 0;
cin >> n >> m;
for (x = 0; x <= n; x++) {
	for (y = 0; y <= n; y++ ) {
		if (x + y == n && x * 2 + y * 4 == m) {
			f = 1;
			cout << x << " " << y<<endl ;
		}
	}
}
if (f == 0) {
	cout << "NULL";
}
return 0;

}