#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define M 1000000007

int main() {
	int n;
	cin >> n;
	ll ans = 1;
	for (int i = 1;i <= n;i++) {
		ans *= i;
		ans %= M;
		ans *= 2 * i - 1;
		ans %= M;
	}
	cout << ans << endl;



	return 0;
}