#include <fstream>

using namespace std;
const int MOD = 666013;

int X, Y, Z, A, B, C;

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

void mul(int A[][3], int B[][3])
{
    long long C[3][3];
    int i, j, k;
    for(i = 0; i < 3; i++)
        for(j = 0; j < 3; j++)
        {
            C[i][j] = 0;
            for(k = 0; k < 3; k++)
                C[i][j] += (long long)A[i][k] * B[k][j];
        }
    for(i = 0; i < 3; i++)
        for(j = 0; j < 3; j++)
            A[i][j] = C[i][j] % MOD;
}

int putere(int n)
{
    int M[3][3] =
    {
        {A, 1, 0},
        {B, 0, 1},
        {C, 0, 0}
    };
    int V[3][3] =
    {
        {Z, Y, X},
        {0, 0, 0},
        {0, 0, 0}
    };
    while(n > 0)
    {
        if(n % 2 == 0)
        {
            mul(M, M);
            n /= 2;
        }
        else
        {
            mul(V, M);
            n--;
        }
    }
    return V[0][0];
}


int main()
{
    int T, N;
    fin >> T;
    while(T--)
    {
        fin >> X >> Y >> Z >> A >> B >> C >> N;
        fout << putere(N - 2) << '\n';
    }
    fin.close();
    fout.close();
    return 0;
}