#include <iostream>
using namespace std;
constexpr int mod = 1000000007;
int n;
int main() {
	cin >> n;
	int ret = 1;
	for (int i = 1; i <= n; i++) {
		ret = 1LL * ret * (2 * i - 1) % mod * i % mod * i % mod;
	}
	cout << ret << "\n";
	return 0;
}