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

#define RREP(i,s,e) for (i = e-1; i >= s; i--)
#define rrep(i,n) RREP(i,0,n)
#define REP(i,s,e) for (i = s; i < e; i++)
#define rep(i,n) REP(i,0,n)
#define INF 1e8
#define MOD 1000007

typedef long long ll;

int main() {
    ll n, u, l;
    cin >> n;
    l = (n / 2) % MOD;
    u = (n - n / 2) % MOD;
    cout << (l * u + l + u) % MOD << endl;
    return 0;
}