#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    ifstream fin("iepuri.in");
    ofstream fout("iepuri.out");
    int t,x,y,z,a,b,c,n,i,s;
    fin>>t;
    while(t!=0)
    {
        fin>>x>>y>>z>>a>>b>>c>>n;
        s=0;
        for(i=3;i<=n;i++)
        {
            s=a*z+b*y+c*x;
            x=y;
            y=z;
            z=s;

        }
        s=s%666013;
        fout<<s<<"\n";
        t--;
    }
    return 0;
}