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#include <fstream>
using namespace std;
ifstream f("dirichlet.in");
ofstream g("dirichlet.out");
const int MOD = 9999991;
int n;
int POW(int a, int b)
{
int res = 1;
a = a % MOD;
while(b)
{
if(b & 1)
res = res * a % MOD;
a = a * a % MOD;
b >>= 1;
}
return res;
}
int invMod(int x)
{
return POW(x, MOD - 2);
}
int prod(int a, int b)
{
int p = 1;
for(int i = a; i <= b; ++i)
p = p * i % MOD;
return p;
}
int Combinari(int n)
{
return (prod(n + 2, (n << 1)) * invMod(prod(1, n))) % MOD;
}
signed main()
{
f >> n;
g << Combinari(n) << '\n';
return 0;
}