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#include <fstream>
#define mod 9999991
using namespace std;
ifstream fin("dirichlet.in");
ofstream fout("dirichlet.out");
long long a1,a2,n,i,x,y,d;
long long euextins(long long a, long long b, long long &x, long long &y) {
if (b == 0) {
x = 1;
y = 0;
return a;
} else {
long long xa, ya;
long long r = euextins(b, a%b, xa, ya);
x = ya;
y = xa - ya*(a/b);
return r;
}
}
int main() {
fin>>n;
a1=1;
a2=1;
for(i=2;i<=n+1;i++){
a1*=i;
a1%=mod;
}
for(i=n+1;i<=n*2;i++){
a2*=i;
a2%=mod;
}
euextins(a1,mod,x,y);
a1=x;
a1%=mod;
if(a1<0){
a1+=mod;
}
fout<<(a1*a2)%mod;
return 0;
}