#include <iostream>
#include <algorithm>
#include <iomanip>
#include <vector>
#include <queue>
#include <set>
#include <map>

using namespace std;
typedef long long ll;
const ll MOD = 1000000007;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << setprecision(10) << fixed;
    ll ans = 1;
    ll fac = 1;
    ll fac2 = 1;
    ll N; cin >> N;
    for(ll i = 1; i <= N; i++){
        fac *= i; fac %= MOD;
        fac2 *= 2*i-1; fac2 %= MOD;
    }
    cout << ((fac*fac)%MOD*fac2)%MOD << endl;
}