#include <bits/stdc++.h>
#define MOD 666013
using namespace std;
ifstream fin("iepuri.in");
ofstream fout("iepuri.out");
int x,y,z,a,b,c,n,t;
int dp[2000005];
int main()
{
    fin>>t;
    for(int i=1;i<=t;i++){
        fin>>dp[0]>>dp[1]>>dp[2]>>a>>b>>c>>n;
        for(int j=3;j<=n;j++)
            dp[j]=(a*dp[j-1])%MOD+(b*dp[j-2])%MOD+(c*dp[j-3])%MOD;
        fout<<dp[n]%MOD<<endl;
    }
    return 0;
}