#include <cstdio>
#include <cstdlib>
#include <climits>
#include <map>
#include <iostream>
#define mod 666013

long long cit() {
    long long ans = 0;
    char c = getchar();
    bool neg = false;
    while (c < '0' || c > '9') {
        if (c == '-') {
            c = getchar();
            neg = true;
            break;
        }
        c = getchar();
    }
    while (c >= '0' && c <= '9') {
        ans = (ans << 3) + (ans << 1) + (c - '0');
        c = getchar();
    }
    return (neg) ? -ans : ans;
}

void afis(long long n, char d) {
    int l = 0;
    char c[20];
    if (n == 0) {
        putchar('0');
    }
    if (n < 0) {
        putchar('-');
        n = -n;
    }
    while (n > 0) {
        c[l++] = n % 10 + '0';
        n /= 10;
    }
    for (int i = l - 1; i >= 0; i--) {
        putchar(c[i]);
    }
    putchar(d);
}

using namespace std;

class matrice {
public:
    long long v[3][3];
    matrice() {
        v[1][0] = v[2][0] = v[0][1] = v[2][1] = v[0][2] = v[1][2] = 0;
        v[0][0] = v[1][1] = v[2][2] = 1;
    }
    matrice(long long a, long long b, long long c) {
        v[1][1] = v[1][2] = v[2][0] = v[2][2] = 0;
        v[1][0] = v[2][1] = 1;
        v[0][0] = a;
        v[0][1] = b;
        v[0][2] = c;
    }
    friend matrice operator * (const matrice a, const matrice b) {
        matrice ans;
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                ans.v[i][j] = 0;
                for (int k = 0; k < 3; k++) {
                    ans.v[i][j] += a.v[i][k] * b.v[k][j];
                }
                ans.v[i][j] %= mod;
            }
        }
        return ans;
    }
};

int main() {
    freopen("iepuri.in", "r", stdin);
    freopen("iepuri.out", "w", stdout);

    int t = cit();
    for (int test = 0; test < t; test++) {
        long long x = cit(), y = cit(), z = cit(), a = cit(), b = cit(), c = cit(), n = cit();
        matrice ans, m(a, b, c);
        n -= 2;
        while (n > 0) {
            if (n % 2 == 1) {
                ans = ans * m;
            }
            m = m * m;
            n >>= 1;
        }
        afis(ans.v[0][0] * z + ans.v[0][1] * y + ans.v[0][2] * x, '\n');
    }

    return 0;
}