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#include <fstream>
using namespace std;
ifstream cin("dirichlet.in");
ofstream cout("dirichlet.out");
const int MOD = 9999991;
long long fact, inv;
long long fastpow(long long base, long long exp)
{
long long prod = 1;
while(exp)
{
if(exp&1)
prod = prod * base % MOD;
base = base * base % MOD;
exp /= 2;
}
return prod % MOD;
}
int main()
{
int n, i;
cin >> n;
fact = inv = 1;
for(i = 1; i <= 2*n; i++)
fact = 1LL * fact * i % MOD;
for(i = 1; i <= n; i++)
inv = 1LL * inv * i % MOD;
cout << fact * fastpow(inv, MOD-2) % MOD * fastpow(inv, MOD-2) % MOD * fastpow(n+1, MOD-2) % MOD;
return 0;
}