#include<stdio.h>
#define DIM 101
#define INPUT "iepuri.in"
#define OUTPUT "iepuri.out"
int main ()
{
    freopen (INPUT,"r",stdin);
    freopen (OUTPUT,"w",stdout);
    int t,x,y,z,a,b,c,n,s,i;
    scanf("%d",&t);
    for(i=1;i<=t;i++)
    {
                     s=0;
                     scanf("%d%d%d%d%d%d%d",&x,&y,&z,&a,&b,&c,&n);
                     s=x+y+z+n+a*z+b*y+c*x;
                     printf("%d\n",s);
                     }
                     return 0;
                     }