#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
const int MOD = 666013;

int T, x, y, z, a, b, c, n;
int A[3][3], I[3][3];

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

void multmat(int a[][3], int b[][3])
{
    int c[3][3];
    for(int i = 0; i < 3; i++)
        for(int j = 0; j < 3; j++)
        {
            c[i][j] = 0;
            for(int k = 0; k < 3; k++)
                c[i][j] = (c[i][j] + 1LL * a[i][k] * b[k][j]) % MOD;
        }
    memcpy(a, c, sizeof(c));
}

void powlg(int p)
{
    while(p)
    {
        if(p & 1)
            multmat(I, A);
        multmat(A, A);
        p >>= 1;
    }
}

void prel()
{
    A[1][0] = 1;
    A[2][1] = 1;
    A[0][2] = c;
    A[1][2] = b;
    A[2][2] = a;
    I[0][0] = 1;
    I[1][1] = 1;
    I[2][2] = 1;
}

void sterge()
{
    for(int i = 0; i < 3; i++)
        for(int j = 0; j < 3; j++)
            A[i][j] = I[i][j] = 0;
}

int main()
{
    f >> T;
    while(T--)
    {
        f >> x >> y >> z >> a >> b >> c >> n;
        prel();
        powlg(n - 2);
        g << (1LL * I[0][2]*x + I[1][2]*y + I[2][2]*z) % MOD << '\n';
        sterge();
    }
    return 0;
}