#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    ll n;
    cin >> n;
    ll a = n / 2;
    ll b = n - a;
    ll MOD = 1000007;
    ll ans = (a + 1) % MOD * ((b + 1) % MOD) - 1 + MOD;
    cout << ans % MOD << endl;
    return 0;
}