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#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("iepuri.in");
ofstream fout("iepuri.out");
int n, p, i, j, t, x, y, z, a, b, c;
long long f[3][3], constanta[3][3];
void InmultireMatrice(long long a[][3], long long b[][3]){
long long c[3][3];
for(int i=0; i<3; i++){
for(int j=0; j<3; j++){
c[i][j]=0;
for(int k=0; k<3; k++)
c[i][j]+=a[i][k]*b[k][j]%666013;
}
}
for(int i=0; i<3; i++){
for(int j=0; j<3; j++){
a[i][j]=c[i][j]%666013;
}
}
}
int main(){
fin>>t;
for(; t>0; t--){
fin>>x>>y>>z>>a>>b>>c>>p;
constanta[0][0]=a;
constanta[0][1]=b;
constanta[0][2]=c;
constanta[1][0]=constanta[2][1]=1;
constanta[1][1]=constanta[1][2]=constanta[2][0]=constanta[2][2]=0;
f[0][0]=a;
f[0][1]=b;
f[0][2]=c;
f[1][0]=f[2][1]=1;
f[1][1]=f[1][2]=f[2][0]=f[2][2]=0;
p-=1;
while(p!=0){
if(p%2==1){
InmultireMatrice(f, constanta);
}
InmultireMatrice(constanta, constanta);
p=p/2;
}
fout<<( (f[2][0]*z)%666013 + (f[2][1]*y)%666013 + (f[2][2]*x)%666013 )%666013<<"\n";
}
}