#include <fstream>
#include <cstring>
#define MOD 666013
using namespace std;
ifstream f("iepuri.in");
ofstream g("iepuri.out"); 
int tst,x,y,z,a,b,c,n;
int m[4][4],t[4][4],sol[4][4];
void mul1()
{
    int i,j,k,r[4][4];
    memset(r,0,sizeof(r));
    for (i=1;i<=3;i++)
        for (j=1;j<=3;j++)
        {
            for (k=1;k<=3;k++)
                r[i][j]+=(1LL*sol[i][k]*m[k][j])%MOD;
            r[i][j]%=MOD;
        }
    memcpy(sol,r,sizeof(r));
}
 
void mul2()
{
    int i,j,k,r[4][4];
    memset(r,0,sizeof(r));
    for (i=1;i<=3;i++)
        for (j=1;j<=3;j++)
        {
            for (k=1;k<=3;k++)
                r[i][j]+=(1LL*m[i][k]*m[k][j])%MOD;
            r[i][j]%=MOD;
        }
    memcpy(m,r,sizeof(r));
}
 
void rid_log(long long p)
{
    long long i,j;
    for (i = 0;1LL*((1LL*1)<<i)<=p;i++)
    {
        if (((1<<i)&p)>0)
            mul1();
        mul2();
    
#include <fstream>
#include <string.h>
using namespace std;
ifstream f("iepuri.in");
ofstream g("iepuri.out");
 
#define mod 666013
 
int tests, x, y, z, a, b, c, n;
int m[4][4], t[4][4], sol[4][4];
 
void inm1()
{
    int i, j, k, r[4][4];
    memset(r,0,sizeof(r));
    for (i = 1;i <= 3;i++)
        for (j = 1;j <= 3;j++)
        {
            for (k = 1;k <= 3;k++)
                r[i][j] += (1LL * sol[i][k] * m[k][j]) % mod;
            r[i][j] %= mod;
        }
    memcpy(sol, r, sizeof(r));
}
 
void inm2()
{
    int i, j, k, r[4][4];
    memset(r,0,sizeof(r));
    for (i = 1;i <= 3;i++)
        for (j = 1;j <= 3;j++)
        {
            for (k = 1;k <= 3;k++)
                r[i][j] += (1LL * m[i][k] * m[k][j]) % mod;
            r[i][j] %= mod;
        }
    memcpy(m, r, sizeof(r));
}
 
void expo(long long p)
{
    long long i, j;
    for (i = 0;1LL * ((1LL * 1)<<i) <= p;i++)
    {
        if (((1<<i) & p) > 0)
            inm1();
        inm2();
    }
}
 
int main()
{
    int i, j, temp, t1, t2, t3;
    for (f>>tests;tests;tests--)
    {
        f>>x>>y>>z>>a>>b>>c>>n;
        m[1][1] = 0; m[1][2] = 1; m[1][3] = 0;
        m[2][1] = 0; m[2][2] = 0; m[2][3] = 1;
        m[3][1] = c; m[3][2] = b; m[3][3] = a;
        memcpy(sol, m, sizeof(m));
        expo(n - 3);
        c = sol[3][1]; b = sol[3][2]; a = sol[3][3];
        t1 = (1LL * c * x) % mod;
        t2 = (1LL * b * y) % mod;
        t3 = (1LL * a * z) % mod;
        temp = (t1 + t2 + t3) % mod;
        g<<temp<<'\n';
    }
}