#include <iostream>
#include <fstream>
#include <cstring>

using namespace std;

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

int Sol[5][5],Z[5][5];
int N,T;

void Multiply(int A[5][5], int B[5][5])
{
    int C[5][5];
    memset(C,0,sizeof(C));
    for(int i=1;i<=3;++i)
    {
        for(int j=1;j<=3;++j)
        {
            long long s=0;

            for(int k=1;k<=3;k++)
            {
                s+=(1LL*A[i][k]*B[k][j])%666013;
            }

            C[i][j]=s%666013;
        }
    }
    memcpy(B,C,sizeof(C));
}

void Solve()
{
    while(N)
    {
        if(N%2==1)
        {
          Multiply(Z,Sol);
        }
        Multiply(Z,Z);
        N=N/2;
    }
}

void Print()
{
    fout<<Sol[1][1]<<"\n";
}

void read()
{
    fin>>T;
    for(int i=1;i<=T;i++)
    {
        memset(Sol,0,sizeof(Sol));
        memset(Z,0,sizeof(Z));

        int X,Y,z,A,B,C;
        fin>>X>>Y>>z>>A>>B>>C>>N;

        N=N-2;

        Sol[1][1]=z; Sol[2][1]=Y; Sol[3][1]=X;

        Z[1][1]=A; Z[1][2]=B; Z[1][3]=C; Z[2][1]=1; Z[3][2]=1;

        Solve();
        Print();
    }
}

int main()
{
    read();
    return 0;
}