#include <fstream>

using namespace std;

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

const int MOD = 666013;

int T, N, X, Y, Z, A, B, C;
int sol;

int main()
{
    fin >> T;
    while (T--)
    {
        fin >> X >> Y >> Z >> A >> B >> C >> N;
        sol = 0;
        for (int i = 3; i <= N; ++i)
        {
            sol = ((A * Z) % MOD + (B * Y) % MOD + (C * X) % MOD) % MOD;
            X = Y;
            Y = Z;
            Z = sol;
        }

        fout << sol << '\n';
    }

    fin.close();
    fout.close();
    return 0;
}