#include<iostream>

using namespace std;

#define NMAX 50
#define MOD 1000007
int main(){

	long long N;

	cin>>N;

	long long ans=(((N/2+1)%MOD)*((N/2+(N%2==1)+1)%MOD))%MOD;

	if(ans==0) cout<<MOD-1<<endl;
	else cout<<ans-1<<endl;
}