#include<fstream>
using namespace std;
int n,sol,C[2];
int MOD=9999991;

inline int Catalan()
{
	if(n<2)
		return 1;
	long long i,x,aux;
	C[0]=1;
	for(i=2;i<=n;i++)
	{
		x=(long long)C[0];
		aux=(long long)(4*i-2);
		x*=aux;
		aux=(long long)(i+1);
		x/=aux;
		C[1]=(int)(x%MOD);
		C[0]=C[1];
	}
	return C[1];
}

int main()
{
	ifstream fin("dirichlet.in");
	fin>>n;
	fin.close();
	sol=Catalan();
	ofstream fout("dirichlet.out");
	fout<<sol<<"\n";
	fout.close();
	return 0;
}