#include <iostream>
#include <fstream>

using namespace std;

ifstream in("iepuri.in");
ofstream out("iepuri.out");

class curs{

   static int x;
    int j;

public:
    curs(){j = 0;}
    static void init(int i){x = i;}
    void show(){
        cout << x << endl;
    }
};

int curs :: x; /// define x

int main()
{
    unsigned int T;
    in >> T;
    while (T){

        T --;

        int x, y , z, a, b, c, n;
        in >> x >> y >> z >> a >> b >> c >> n;
        int dr = 0;
        if (n == 0)
            out << x << endl;
        else if (n == 1)
            out << y << endl;
        else if (n == 2)
            out << z << endl;
        else{

            dr = a*z + b*y + c*x;
            n -= 3;
            while (n > 0){
                n --;
                x = y;
                y = z;
                z = dr;
                dr = (a*z) % 666013 + (b*y) % 666013 + (c*x) %666013;
            }
            out << dr << endl;
        }
    }
    in.close();
    out.close();
    return 0;
}