#include<iostream>
#include<fstream>
using namespace std;
ifstream fin ("iepuri.in");
ofstream fout ("iepuri.out");
unsigned long long a, b, c, n, t, x, y, z, aux;
int main ()
{
    int i, j;
    fin>>t;
    for (i=1; i<=t; i++)
    {
        fin>>x>>y>>z>>a>>b>>c>>n;
        for (j=3; j<=n; j++)
        {
            aux=(((a*z)%666013)+(b*y%666013)+(c*x%666013))%666013;
            x=y;
            y=z;
            z=aux;
        }
        fout<<z<<'\n';
    }
}