#pragma GCC optimize("O3")
#pragma GCC optimize("fast-math")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
#define mod 666013
using namespace std;
const int dim = 1e5 + 55;
int x, y, z, a, b, c, n, t;
int matunu[3][3], matdoi[3][3];

inline void open(const string name)
{
#ifndef ONLINE_JUDGE
    (void)!freopen((name + ".in").c_str(), "r", stdin);
    (void)!freopen((name + ".out").c_str(), "w", stdout);
#endif // ONLINE_JUDGE
}

void inmult(int d[3][3], int e[3][3])
{
    int f[3][3] = {0};
    for(int k = 0; k < 3; ++k)
        for(int i = 0; i < 3; ++i)
            for(int j = 0; j < 3; ++j)
                f[i][j] = (f[i][j] + (d[i][k] * e[k][j]) % mod) % mod;

    for(int i = 0; i < 3; ++i)
        for(int j = 0; j < 3; ++j)
            d[i][j] = f[i][j];
}

void lgput(int d[3][3], int exp)
{
    int sol[3][3] = {0};
    sol[0][0] = sol[1][1] = sol[2][2] = 1;
    while(exp)
    {
        if(exp & 1)
            inmult(sol, d);
        exp >>= 1;
        inmult(d, d);
    }
    for(int i = 0; i < 3; ++i)
        for(int j = 0; j < 3; ++j)
            d[i][j] = sol[i][j];
}

int main()
{
    open("iepuri");
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> t;
    while(t--)
    {
        cin >> x >> y >> z >> a >> b >> c >> n;
        memset(matunu, 0, sizeof matunu);
        memset(matdoi, 0, sizeof matdoi);
        matunu[0][0] = x, matunu[0][1] = y, matunu[0][2] = z;
        matdoi[0][0] = 0, matdoi[0][1] = 0, matdoi[0][2] = c;
        matdoi[1][0] = 1, matdoi[1][1] = 0, matdoi[1][2] = b;
        matdoi[2][0] = 0, matdoi[2][1] = 1, matdoi[2][2] = a;

        if(n == 0)
            cout << x % mod << '\n';
        else if(n == 1)
            cout << y % mod << '\n';
        else if(n == 2)
            cout << z % mod << '\n';
        else
        {
            lgput(matdoi, n - 2);
            inmult(matunu, matdoi);
            cout << matunu[0][2] % mod << '\n';
        }
    }
    return 0;
}