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#include <bits/stdc++.h>
using namespace std;
ifstream in("iepuri.in");
ofstream out("iepuri.out");
typedef long long ll;
const int mod=666013;
int rez[5][5],m[5][5];
int cc[5][5],f[5][5];
void rez_m()
{
for(int i=1;i<=3;++i)
for(int j=1;j<=3;++j)
cc[i][j]=0;
for(int k=1;k<=3;++k)
for(int i=1;i<=3;++i)
for(int j=1;j<=3;++j)
cc[i][j]=(cc[i][j]+m[i][k]*rez[k][j])%mod;
for(int i=1;i<=3;++i)
for(int j=1;j<=3;++j)
rez[i][j]=cc[i][j];
}
void m_m()
{
for(int i=1;i<=3;++i)
for(int j=1;j<=3;++j)
cc[i][j]=0;
for(int k=1;k<=3;++k)
for(int i=1;i<=3;++i)
for(int j=1;j<=3;++j)
cc[i][j]=(cc[i][j]+m[i][k]*m[k][j])%mod;
for(int i=1;i<=3;++i)
for(int j=1;j<=3;++j)
m[i][j]=cc[i][j];
}
int main()
{
int tst,x,y,z,a,b,c,n;
in>>tst;
while(tst--)
{
in>>x>>y>>z>>a>>b>>c>>n;
if(n==0) {out<<x<<'\n';continue;}
if(n==1) {out<<x<<'\n';continue;}
if(n==2) {out<<x<<'\n';continue;}
for(int i=1;i<=3;++i)
for(int j=1;j<=3;++j)
rez[i][j]=cc[i][j]=m[i][j]=f[i][j]=0;
rez[1][1]=rez[2][2]=rez[3][3]=1;
m[1][3]=c; m[2][1]=1; m[2][3]=b;
m[3][2]=1; m[3][3]=a;
n-=2;
while(n)
{
if(n&1) rez_m();
m_m();
n>>=1;
}
f[1][1]=x; f[1][2]=y; f[1][3]=z;
cc[1][1]=cc[1][2]=cc[1][3]=0;
for(int k=1;k<=3;++k)
for(int j=1;j<=3;++j)
cc[1][j]=(cc[1][j]+f[1][k]*rez[k][j])%mod;
out<<cc[1][3]<<'\n';
}
return 0;
}