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//
// main.cpp
// Dirichlet
//
// Created by Andrada Minca on 23.10.2025.
//
#include <fstream>
#include <vector>
using namespace std;
ifstream cin("dirichlet.in");
ofstream cout("dirichlet.out");
vector<long long> v(1000005);
int main()
{
int n;
cin>>n;
v[0]=1;
v[1]=1;
for(int i=2;i<=n;++i)
for(int j=0;j<i;++j)
v[i]+=(v[j]*v[i-j-1])%9999991;
cout<<v[n]%9999991;
return 0;
}