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#include <cstdio>
#include <cstring>
#define mod 666013
using namespace std;
int v[4][4],sol[4][4],aux[4][4];
int t,x,y,z,n,i,j,q,p;
int main()
{
freopen("iepuri.in", "r", stdin);
freopen("iepuri.out", "w", stdout);
for(scanf("%d",&t);t;t--)
{
memset(v,0,sizeof(v));
memset(sol,0,sizeof(sol));
v[2][1]=v[3][2]=1;
scanf("%d%d%d%d%d%d%d",&sol[1][1],&sol[1][2],&sol[1][3],&v[3][3],&v[2][3],&v[1][3],&n);
n-=2;
for(p=1;p<=n;p<<=1)
{
if(n&p)
{
memset(aux,0,sizeof(aux));
for(i=1;i<=3;i++)
for(j=1;j<=3;j++)
for(q=1;q<=3;q++)
aux[i][q]=(aux[i][q]+1LL*sol[i][j]*v[j][q])%mod;
memcpy(sol,aux,sizeof(aux));
}
memset(aux,0,sizeof(aux));
for(i=1;i<=3;i++)
for(j=1;j<=3;j++)
for(q=1;q<=3;q++)
aux[i][q]=(aux[i][q]+1LL*v[i][j]*v[j][q])%mod;
memcpy(v,aux,sizeof(aux));
}
printf("%d\n",sol[1][3]);
}
return 0;
}