#include <iostream>
#include <fstream>
using namespace std;
ifstream f("dirichlet.in");
ofstream g("dirichlet.out");
const int MOD = 9999991;

int power(long long a, int b)
{
    int p = 1;
    while(b)
    {
        if(b & 1)
            p = p * a % MOD;
        a = a * a % MOD;
        b >>= 1;
    }
    return p;
}

int catalan(int n)
{
    long long a = 1, f = 1;
    for(int i = 2; i <= n; i++)
    {
        a = a * (n + i) % MOD;
        f = f * i % MOD;
    }
    return a * power(f, MOD - 2) % MOD;
}

int main()
{
    int n;
    f >> n;
    g << catalan(n);
    return 0;
}