#include <iostream>
#include <string>
#include <vector>
#include <numeric>

using namespace std;
using ull = unsigned long long;
#define Mod %1000000007

ull a(int n, std::vector<ull>& v)
{
	if (n == 1)
		return 1;

	ull am = a(n - 1, v);
	v.emplace_back(am);
	for (int i = n - 3; i > 0; i -= 2)
		am += v[i - 1];
	return n * (am Mod);
}

int main() 
{
	int n;
	cin >> n;

	std::vector<ull> v;
	cout << a(n, v)Mod << endl;

	return 0;
}