#include<bits/stdc++.h>
using namespace std;
int main(){
	int i,n,m,T,j,k,e[50],s=0;
	cin>>T;
	for(i=1;i<=T;i++){
		cin>>n>>m;
		for(j=0;(j<=m/1)&&(j<=n);j++){
			for(k=0;(k<=m/2)&&(k<=n);k++){
				if((j*1)+(k*2)+((n-j-k)*5)==m)
				s++;
			}
		}
		e[i]=s;
		s=0;
	}
	for(i=1;i<=T;i++){
		cout<<e[i]<<endl;
	} 
	return 0;
}
/**************************************************************
	Problem: 2093
	User: houshanglin
	Language: C++
	Result: Wrong Answer
****************************************************************/