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#include <fstream>
using namespace std;
ifstream fin ("iepuri.in");
ofstream fout ("iepuri.out");
int t, x, y, z, a, b, c, in[2][5], aj[5][5], r[2][5], n, rez;
int main()
{
int nr, j, p, k;
fin>>t;
aj[1][1]=0;
aj[2][1]=1;
aj[3][1]=0;
aj[1][2]=0;
aj[2][2]=0;
aj[3][2]=1;
for (p=1; p<=t; p++)
{
fin>>x>>y>>z>>a>>b>>c>>n;
if (n>=3)
{
in[1][1]=x;
in[1][2]=y;
in[1][3]=z;
aj[1][3]=c;
aj[2][3]=b;
aj[3][3]=a;
for (nr=1; nr<=n-2; nr++)
{
for (k=1; k<=3; k++)
{
for (j=1; j<=3; j++)
{
r[1][k]=(r[1][k]+(in[1][j]%666013*aj[j][k]%666013)%666013)%666013;
}
}
rez=r[1][3];
for (j=1; j<=3; j++)
{
in[1][j]=r[1][j];
r[1][j]=0;
}
}
fout<<rez<<"\n";
}
else
{
if (n==0)
fout<<x<<"\n";
else
{
if (n==1)
fout<<y<<"\n";
else
{
fout<<z<<"\n";
}
}
}
}
fin.close();
fout.close();
return 0;
}