#include <bits/stdc++.h>
using namespace std;

int solve(int n, int mod) {
	long long res = 1;
	for (int i = 1; i <= n; i++) {
		(res *= i) %= mod;
	}
	(res *= res) %= mod;
	for (int i = 1; i <= 2 * n - 1; i += 2) {
		(res *= i) %= mod;
	}
	return res;
}

int main() {

    int n;
    int mod = (int)1e9 + 7;

    cin >> n;
	int ans = solve(n, mod);
    cout << ans << endl;
    
    return 0;
}