#include <iostream>
using namespace std;
const int MOD = 1000007;
int main(){
	long long N;
	cin >> N;
	if (N % 2 == 0){
		int a = N / 2 % MOD;
		cout << ((long long) (a + 1) * (a + 1) + MOD - 1) % MOD << endl;
	} else {
		int a = N / 2 % MOD;
		int b = (N + 1) / 2 % MOD;
		cout << ((long long) (a + 1) * (b + 1) - 1) % MOD << endl;
	}
}