#include<iostream>
#include<algorithm>
using namespace std;

int main(void)
{
	long long int n, p1, p2;
	long long int ans = 1;

	cin >> n;
	p1 = (n / 2) % 1000007;
	p2 = (n - p1) % 1000007;
	ans = (p1 + 1)*(p2 + 1) - 1;
	/*桁数制限に注意*/

	ans %= 1000007;
	/*
	for (long long int i = 1; i < n; i++) {
		ans = max(ans, i + (n - i)*(i + 1));
	}
	*/
	cout << ans << endl;

	return 0;
}