#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();
    }
}
 
int main()
{
    int i, j, temp, t1, t2, t3;
    for (f>>tst;tst;tst--)
    {
        f>>x>>y>>z>>a>>b>>c>>n;
        m[1][2]=1;
        m[2][3]=1;
        m[3][1]=c;
	m[3][2]=b;
	m[3][3]=a;
        memcpy(sol,m,sizeof(m));
        rid_log(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';
    }
}