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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("iepuri.in");
ofstream fout("iepuri.out");
int a[4][4],i,t,z,x,y,A,B,C,n,b[4][4],rez,j,k,m;
void inmultiremat(int a[4][4],int b[4][4])
{
int c[4][4];
for(int i=1;i<=3;i++)
{
for(int j=1;j<=3;j++)
{
c[i][j]=0;
for(int k=1;k<=3;k++)
{
c[i][j]+=((a[i][k]%m)*(b[k][j]%m))%m;
}
}
}
for(int i=1;i<=3;i++)
{
for(int j=1;j<=3;j++)
{
a[i][j]=c[i][j]%m;
}
}
}
int main()
{
fin>>t;
m=666013;
for(i=1;i<=t;i++)
{
fin>>x>>y>>z>>A>>B>>C>>n;
a[1][1]=a[3][1]=a[1][2]=a[2][2]=0;
a[2][1]=a[3][2]=1;
a[1][3]=C; a[2][3]=B; a[3][3]=A;
for(k=1;k<=3;k++)
{
for(j=1;j<=3;j++)
{
b[k][j]=a[k][j];
}
}
n=n-3;
while(n!=0)
{
if(n%2==1)
{
inmultiremat(a,b);
n=n-1;
}
else
{
if(n!=0)
{
inmultiremat(a,a);
n=n/2;
}
}
}
rez=((x*a[1][3])%m+(y*a[2][3])%m+(z*a[3][3]))%m;
fout<<rez<<'\n';
}
return 0;
}