#include<bits/stdc++.h>
using namespace std;
long long n;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		long long a1,a2,a3,b1,b2;
		cin>>a1>>a2>>a3>>b1>>b2;
		long long z1=a1*2+a2*3+a3*4;
		long long z2=b1*4+b2*6;
		cout<<min(z1,z2)<<endl;
	}
}
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