#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <string>
#include <cmath>
#include <algorithm>
#include <vector>
#include <queue>
#include <stack>

using namespace std;



int main(){
    long long n,a,sum;
    int mod = 1000007;
    
    scanf("%lld",&n);
    a=(n+1)/2%mod;
    n=n/2%mod;
    sum=a+a*n+n;
    
    printf("%lld\n",sum%mod);
    
    return 0;
}