#include <iostream>
#include <fstream>
using namespace std;
ifstream f("sistem.in");
ofstream g("sistem.out");
int a,b,c,x,y,z,t,v[100];
long n,nr;
int main()
{
    f>>t;
    while(t!=0)
    {
        t--;
        f>>x>>y>>z>>a>>b>>c>>n;
        nr=x*c+y*b+z*a;
        v[1]=y;
        v[2]=z;
        v[3]=nr;
        for(long i=4;i<=n;i++)
            {
                v[i]=v[i-1]*a+v[i-2]*b+v[i-3]*c;
            }
        g<<v[n]%666013<<endl;
    }
    return 0;
}