#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    ifstream f("iepuri.in");
    ofstream g("iepuri.out");

    int T,X,Y,Z,A,B,C,N,i,j,d;
    long int e,h=666013;
    f>>T;
    for (i=1; i<=T; i++)
    {
        f>>X>>Y>>Z>>A>>B>>C>>N;
        for (j=1; j<=N; j++)
            if (j>=3)
            {
                d=A*Z+B*Y+C*X;
                X=Y;
                Y=Z;
                Z=d;
            }
        e=d%h;
        g<<e<<endl;
    }


    return 0;
}