#include <iostream>

int main() {
	constexpr int MOD = 1e9 + 7;

	int n;
	std::cin >> n;

	int ans = 1;
	for (int i = 1; i <= n; i++) {
		ans = 1LL * ans * i % MOD * (2 * i - 1) % MOD;
	}
	std::cout << ans << std::endl;
}