import java.util.Scanner;

class Main{
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		long n=sc.nextLong(),m=1000007,a,b,c;
		sc.close();
		a=(n+1)/2%m;
		b=(n/2+1)%m;
		c=n/2%m;
		System.out.print((a*b%m+c)%m);
	}
}