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#include <fstream>
using namespace std;
ifstream cin("dirichlet.in");
ofstream cout("dirichlet.out");
const long long mod = 9999991;
long long lg_put(long long a,long long b)
{
long long p=1;
while(b)
{
if(b%2==0)
{
a=a*a%mod;
b=b/2;
}
else
{
p=p*a%mod;
b--;
}
}
return p%mod;
}
int main()
{
long long n,p1=1,p2=1,i;
cin >> n;
for( i = 1; i<=2*n; i++)
p1=p1*i%mod;
p2=n+1;
for( i = 1; i<=n; i++)
p2=((p2*i)%mod*i)%mod;
cout << ( p1 * lg_put(p2, mod-2) )% mod;
/// Catalan = ( 2 N ) ! / ( N! * (N+1)! )
return 0;
}