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#include<bits/stdc++.h>
#define ross 9999991
using namespace std;
ifstream f("dirichlet.in");
ofstream g("dirichlet.out");
int n;
long long rs=1,aux=1;
int main()
{
f>>n;
for(long long i=n+2;i<=n+n;++i)
rs=(rs*i)%ross;
for(long long i=1;i<=n;++i)
aux=(aux*i)%ross;
long long b=ross-2;
long long ans=1;
long long a=aux;
while(b){
if(b&1)
ans=(ans*a)%ross;
a=(a*a)%ross,b/=2;
}
g<<(rs*ans)%ross;
return 0;
}