#include <fstream>
using namespace std;
#define m 666013
ifstream fin("iepuri.in");
ofstream fout("iepuri.out");
int n,t,x,y,z,a,b,c,sol1,sol2,sol3;

int main()
{
    fin>>t;
    for(int k=1;k<=t;k++)
    {
        fin>>x>>y>>z>>a>>b>>c>>n;
        for(int i=3;i<=n;i++)
        {
            sol1=((a%m)*(z%m))%m;
            sol2=((b%m)*(y%m))%m;
            sol3=((c%m)*(x%m))%m;
            x=y; y=z;
            z=((sol1%m)+(sol2%m)+(sol3%m))%m;
        }
        fout<<z%m<<'\n';
    }
    fin.close();
    fout.close();
    return 0;
}