#include <bits/stdc++.h>

#define VMAX 1000000
#define NMAX 100000
#define LOG 20

#define INF (long long)(1e9)
#define MOD 666013
#define BASE 23

#define BLOCK_SIZE 230
#define ll long long int
#define EPS 0.02

using namespace std;
ifstream fin("iepuri.in");
ofstream fout("iepuri.out");


int X,Y,Z,A,B,C;

int I3[3][3] = {{1,0,0},{0,1,0},{0,0,1}};
void cpy(int a[3][3],int b[3][3])
{
    for(int i=0;i<3;i++)
    {
        for(int j=0;j<3;j++)
        {
            a[i][j] = b[i][j];
        }
    }
}
void mult(int a[3][3],int b[3][3])
{
    int c[3][3] = {0};
    for(int i=0;i<3;i++)
    {
        for(int j=0;j<3;j++)
        {
            for(int k=0;k<3;k++)
            {
                c[i][j] += a[i][k] *1ll* b[k][j]%MOD;
                c[i][j] %= MOD;
            }
        }
    }
    cpy(a,c);
}
void pwr(int a[3][3],int b)
{
    if(b==0)
    {
        cpy(a,I3);
        return;
    }
    int c[3][3];
    cpy(c,a);
    pwr(c,b/2);
    mult(c,c);
    if(b%2)
    {
        mult(c,a);
    }
    cpy(a,c);
}
int main()
{
    int T;
    fin >> T;
    while(T--)
    {
        int n;
        fin >> X >> Y >> Z >> A >> B >> C >> n;
        int a[3][3] = {0};
        a[0][0]=A;
        a[1][0]=B;
        a[2][0]=C;
        a[0][1]=a[1][2]=1;

        pwr(a,n-2);
        int res= (a[0][0]*1ll*Z%MOD + a[1][0]*1ll*Y%MOD + a[2][0]*1ll*X%MOD)%MOD;
        fout << res << '\n';
    }
}