#include <fstream>
using namespace std;
ifstream fin("iepuri.in");
ofstream fout("iepuri.out");
const int modulo = 666013;
int mat[3][3];
int a, b, c;
void exponentiere_rapida(int mat[][3], int putere){
    if (putere == 0){
        for (int i = 0; i < 3; i++){
            for (int j = 0; j < 3; j++){
                mat[i][j] = (i == j);
            }
        }
    } else if (putere % 2 == 0){
        int aux[3][3];
        exponentiere_rapida(mat, putere / 2);
        for (int i = 0; i < 3; i++){
            for (int j = 0; j < 3; j++) {
                aux[i][j] = mat[i][j] % modulo;
                mat[i][j] = 0;
            }
        }
        for (int i = 0; i < 3; i++){
            for (int j = 0; j < 3; j++){
                for (int k = 0; k < 3; k++){
                    mat[i][j] = (1LL * mat[i][j] + 1LL * (1LL * aux[k][j] * aux[i][k])) % modulo;
                }
            }
        }
    } else {
        int mat_normala[3][3] = {0};
        int aux[3][3];
        exponentiere_rapida(mat, putere - 1);
        mat_normala[1][0] = mat_normala[2][1] = 1;
        mat_normala[0][2] = c;
        mat_normala[1][2] = b;
        mat_normala[2][2] = a;
        for (int i = 0; i < 3; i++){
            for (int j = 0; j < 3; j++) {
                aux[i][j] = mat[i][j] % modulo;
                mat[i][j] = 0;
            }
        }
        for (int i = 0; i < 3; i++){
            for (int j = 0; j < 3; j++){
                for (int k = 0; k < 3; k++){
                    mat[i][j] = (1LL * mat[i][j] + 1LL * (1LL * aux[k][j] * mat_normala[i][k])) % modulo;
                }
            }
        }
    }
}
int main() {
    int teste;
    fin >> teste;
    for (int test = 1; test <= teste; test++){
        int x, y, z, n;
// x iepuri ziua 1 y iepuri ziua 2 z iepuri
        fin >> x >> y >> z >> a >> b >> c >> n;
        exponentiere_rapida(mat, n);
        int answer = (1LL * (1LL * x * mat[0][0] + 1LL * y * mat[1][0] + 1LL * z * mat[2][0])) % modulo;
        fout << answer << '\n';
    }
    return 0;
}