#include <iostream>
#include <fstream>
using namespace std;
ifstream f("iepuri.in");
ofstream g("iepuri.out");
const int MOD=666013;
int X,Y,Z,A,B,C;
void mul(int A[][3], int B[][3])
{
    long long C[3][3];
    int i,j,k;
    for(i=0;i<3;++i)
       for(j=0;j<3;++j)
    {
        C[i][j]=0;
        for(k=0;k<3;++k)
            C[i][j]+=(long long)A[i][k]*B[k][j];
    }
    for(i=0;i<3;++i)
        for(j=0;j<3;++j)
        A[i][j]=C[i][j]%MOD;
}
int putere(int n)
{
    int M[3][3]=
    {
        {0,0,C},
        {1,0,B},
        {0,1,A}
    };
    int V[3][3]=
    {
        {X,Y,Z},
        {0,0,0},
        {0,0,0}
    };
    while(n)
    {
        if(n&1)
            mul(V,M);
        mul(M,M);
        n>>=1;
    }
    return V[0][2];
}
int main()
{
    int T,N;
    f>>T;
    while(T--)
    {
        f>>X>>Y>>Z>>A>>B>>C>>N;
        g<<putere(N-2)<<'\n';
    }
    f.close();
    g.close();
    return 0;
}