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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("iepuri.in");
ofstream fout ("iepuri.out");
const int mod=666013;
int d0[3][3],x,y,z;
void X(int a[][3],int b[][3])
{
int r[3][3]={0};
for(int i=0;i<3;i++)
for(int j=0;j<3;j++)
for(int k=0;k<3;k++)
r[i][j]=(r[i][j]+1ll*a[i][k]*b[k][j]%mod)%mod;
for(int i=0;i<3;i++)
for(int j=0;j<3;j++)
a[i][j]=r[i][j];
}
int power(int base[][3],int power)
{
int r[3][3]={0};
r[0][0]=r[1][1]=r[2][2]=1;
while(power)
{
if(power%2)
X(r,base);
X(base,base);
power/=2;
}
return (r[0][0]*z%mod+r[0][1]*y%mod+r[0][2]*x%mod)%mod;
}
void solve()
{
int a,b,c,n;
fin>>x>>y>>z>>a>>b>>c>>n;
for(int i=1;i<3;i++)
for(int j=0;j<3;j++)
d0[i][j]=0;
d0[1][0]=d0[2][1]=1;
d0[0][0]=a,d0[0][1]=b,d0[0][2]=c;
fout<<power(d0,n-2)<<'\n';
}
int main()
{
int tc;
fin>>tc;
while(tc--)
solve();
return 0;
}