include<bits/stdc++.h>

using namespace std; int main() { int x,y,n,m;

cin>>n>>m;
if(m%2!=0||m>4*n||m<2*n)
{cout<<"NULL";
 return  0;
}
for(x = 0;x<=n;x++)
    if(x*2+(n-x)*4==m)
        break;
y = n-x;
cout<<x<<" "<<y;
return 0;}