noname56(GACHO)

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n,m;
    cin >> n >> m;
    if(4*n >= m && m >= 2*n && m%2==0)
        cout << (4*n - m)/2 << ' ' << (m - 2*n)/2;
    else
        cout<<-1;
}