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#include <iostream>
#include <fstream>
using namespace std;
const int MOD = 9999991;
ifstream f("dirichlet.in");
ofstream g("dirichlet.out");
void EuclidExtins(int a, int b, int &d, int &x, int &y)
{
if(b == 0)
{
x = 1;
y = 0;
d = a;
}
else
{
int x0, y0;
EuclidExtins(b, a % b, d, x0, y0);
x = y0;
y = x0 - (a / b) * y0;
}
}
int inversmod(int a)
{
int d, x, y;
EuclidExtins(a, MOD, d, x, y);
x %= MOD;
if(x < 0) x += MOD;
return x;
}
int main()
{
int N;
f >> N;
int A = 1, B = 1;
for(int i = 2; i <= N; i++)
{
A = A * (N + i) % MOD;
B = 1LL * B * i % MOD;
}
g << A*inversmod(B) % MOD;
return 0;
}