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#include <fstream>
using namespace std;
#define MOD 666013
int X, Y, Z, A, B, C;
ifstream fin("iepuri.in");
ofstream fout("iepuri.out");
void inmultile(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]+=1LL*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%2)
inmultile(V, M);
inmultile(M, M);
n/=2;
}
return V[0][2];
}
int main()
{
int T, N;
fin>>T;
while(T--)
{
fin>>X>>Y>>Z>>A>>B>>C>>N;
fout<<putere(N-2)<<'\n';
}
fin.close();
fout.close();
return 0;
}