#include <fstream>

using namespace std;

const int MOD = 666013;

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

int x, y, z, A, B, C, n;

void produs(int p [3][3], int a [3][3]) {
    int aux [3][3];
    for (int i = 0; i < 3; ++i) {
        for (int k = 0; k < 3; ++k) {
            aux [i][k] = 0;
            for (int j = 0; j < 3; ++j) {
                aux [i][k] += (long long)p [i][j] * a [j][k] % MOD;
                aux [i][k] %= MOD;
            }
        }
    }
    for (int i = 0; i < 3; ++i) {
        for (int j = 0; j < 3; ++j) {
            p [i][j] = aux [i][j];
        }
    }
}

void putere(int a [3][3], int n) {
    int p [3][3] = {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}};
    while (n != 0) {
        if (n % 2 != 0) {
            produs(p, a);
        }
        produs(a, a);
        n /= 2;
    }
	fout << (p [0][0] * z % MOD + p [0][1] * y % MOD + p [0][2] * x % MOD) % MOD << '\n';
}

int main() {
    int T;
    fin >> T;
    for (int i = 0; i < T; ++i) {
        fin >> x >> y >> z >> A >> B >> C >> n;
        int a [3][3] = {{A, B, C}, {1, 0, 0}, {0, 1, 0}};
        putere(a, n - 2);
    }
    return 0;
	fin.close();
	fout.close();
}