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#include<bits/stdc++.h>
using namespace std;
const int MOD=666013;
int n,t;
long long a[5][5],b[5][5],x,y,z,aux[5][5];
void Prod(long long a[5][5],long long b[5][5]) {
memset(aux,0,sizeof(aux));
for(int i=1;i<=3;++i)
for(int j=1;j<=3;++j)
for(int k=1;k<=3;++k)
aux[i][j]+=a[i][k]*b[k][j],aux[i][j]%=MOD;
memcpy(a,aux,sizeof(aux));
}
int main()
{
ifstream cin("iepuri.in");
ofstream cout("iepuri.out");
ios_base::sync_with_stdio(0); cin.tie(0);
for(cin>>t;t;--t)
{
memset(a,0,sizeof(a)); a[2][1]=a[3][2]=1;
cin>>x>>y>>z>>a[3][3]>>a[2][3]>>a[1][3]>>n;
memcpy(b,a,sizeof(a));
for(--n;n;)
if(n&1) Prod(a,b),--n;
else Prod(b,b),n/=2;
cout<<(x*a[1][1]+y*a[2][1]+z*a[3][1])%MOD<<'\n';
}
return 0;
}