#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    fstream f("iepuri.in",ios::in);
    fstream g("iepuri.out",ios::out);

    long long int n,k,i,x,y,z,nr,t,a,b,c;
    f>>t;
    for(k=1;k<=t;k++){
        f>>x>>y>>z>>a>>b>>c>>n;
        for(i=3;i<=n;i++){
            nr=a*z+b*y+c*x;
            x=y;
            y=z;
            z=nr;
        }
        g<<nr%666013<<'\n';
    }
    f.close();
    g.close();
}