#include <bits/stdc++.h>
using namespace std;

#define int long long
int f(int a,int b){
  return (((a+1)%1000007)*((b+1)%1000007))%1000007;
}

signed main(){
  int n;cin>>n;
  cout<<(f(n/2,n-n/2)+1000006)%1000007<<endl;
}