/*#include <iostream>
#include <fstream>
#define MOD 666013
using namespace std;

ifstream f("iepuri.in");
ofstream g("iepuri.out");

int cc[5][5],aa[5][5],bb[5][5],dd[5][5];
int x,y,z,A,B,C,n,t,i,j,k;
void Inm_mat(int a[][5], int b[][5], int c[][5])
{
    int i,j,k;
    for(i=1;i<=3;i++)
        for(j=1;j<=3;j++)
            c[i][j]=0;
    for(i=1;i<=3;i++)
        for(j=1;j<=3;j++)
            for(k=1;k<=3;k++)
                c[i][j]=(c[i][j]+(a[i][k]*b[k][j])%MOD)%MOD;
}
void copycat(int b[][5],int c[][5])
{
    int i,j;
    for (i=1;i<=3;i++)
        for(j=1;j<=3;j++)
            b[i][j]=c[i][j];
}
void reinit()
{
    for (i=1;i<=3;i++)
        for(j=1;j<=3;j++)
            aa[i][j]=bb[i][j]=cc[i][j]=dd[i][j]=0;
}
int main()
{
    f>>t;
    for(;t;t--)
    {
        f>>x>>y>>z>>A>>B>>C>>n;
        aa[1][2]=1;
        aa[2][3]=1;
        aa[3][1]=C;
        aa[3][2]=B;
        aa[3][3]=A;
        bb[1][1]=1;
        bb[2][2]=1;
        bb[3][3]=1;
        for (i=0;(1<<i)<=n;++i)
        {
            if (((1<<i) & n) > 0)
            {
                Inm_mat(bb,aa,cc);
                copycat(bb,cc);
            }
            Inm_mat(aa,aa,dd);
            copycat(aa,dd);
        }
        g<<((1LL*bb[3][1]*x)%MOD + (1LL*bb[3][2]*y)%MOD + (1LL*bb[3][3]*z)%MOD)%MOD<<"\n";
        reinit();

    }
    return 0;
}*/
#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';
    }
}