#include<iostream>
#define MOD 666013
#define ll long long
using namespace std;
ll N,suma;

ll suma_aranjamente(ll);

int main()
{
    cin>>N;
    cout<<((suma_aranjamente(2*N)%MOD - (2*suma_aranjamente(N))%MOD )%MOD+MOD)%MOD;
    return 0;
}

ll suma_aranjamente(ll nr)
{
    ll rez=0,aranj=1;
    for (ll k=nr;k>=1;--k)
    {
        aranj=(1LL*aranj*k)%MOD;
        rez=(rez+aranj)%MOD;
    }
    return rez;
}