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#include <bits/stdc++.h>
using namespace std;
ifstream fin("iepuri.in");
ofstream fout("iepuri.out");
int sol[102];
const int MOD=666013;
long long a1[4][4],a2[4][4];
int x,y,z,a,b,c,n,t;
void inmultire (long long a[4][4],long long b[4][4])
{
long long aux[4][4];
for(int i=1;i<=3;i++)
for(int j=1;j<=3;j++)
aux[i][j]=0;
for(int i=1;i<=3;i++)
for(int j=1;j<=3;j++)
for(int k=1;k<=3;k++)
aux[i][j]=1LL*(aux[i][j]+a[i][k]*b[k][j]%MOD)%MOD;
for(int i=1;i<=3;i++)
for(int j=1;j<=3;j++)
a[i][j]=aux[i][j];
}
void put(int k)
{
while(k)
{
if(k&1)
inmultire(a2,a1);
inmultire(a1,a1);
k>>=1;
}
}
int main()
{
fin>>t;
for(int T=1;T<=t;T++)
{
fin>>x>>y>>z>>a>>b>>c>>n;
a1[1][1]=a1[1][2]=a1[2][2]=a1[3][1]=0;
a1[2][1]=a1[3][2]=1;
a1[1][3]=c;
a1[2][3]=b;
a1[3][3]=a;
for (int i=1;i<=3;i++)
for (int j=1;j<=3;j++)
a2[i][j]=a1[i][j];
put(n-3);
fout<<1LL*(1LL*a2[1][3]*x+1LL*a2[2][3]*y+1LL*a2[3][3]*z)%MOD<<"\n";
}
return 0;
}