include <bits/stdc++.h>

using namespace std; int main(){

int n,m,i=0,j=n;
cin>>n>>m;
for(int i=0;i<=n;i++){
	int j=n-i;
	if(2*i+4*j==m){
		cout<<i<<" "<<j<<endl;
		return 0;
	}
} 
cout<<"NULL"<<endl; 
return 0; 

}