#include <fstream>
#define ll long long
using namespace std;
ll n, mod = 9999991, primu, doilea;
ll lgput (ll n, ll p)
{
ll aux = 1;
while(p) {
if(p % 2 == 1) aux = (aux * n) % mod;
n = (n * n) % mod;
p /= 2;
}
return aux;
}
ll inv(ll a){
return lgput(a,mod-2);
}
void fact(ll n){
ll pr = 1;
for (ll i=2; i<=n; i++)
pr = (pr * i) % mod;
primu = inv((pr*pr*(n+1))%mod);
for (ll i=n+1; i<=2*n; i++)
pr = (pr * i) % mod;
doilea = pr;
}
int main()
{
ifstream cin("dirichlet.in");
ofstream cout("dirichlet.out");
cin>>n;
fact(n);
cout<<(doilea*primu)%mod;
//am pierdut multi nervi pe pr0blema asta :( dypepoc
}