using System;

public class Program

{

    public static void Main()

    {

            string a;

            int b;

​

            a = Console.ReadLine();

            b = Convert.ToInt16(a);

​

            if (b > 0){

            Console.WriteLine("POSITIVE");

            }

            else if (b == 0){

                Console.WriteLine("NETRAL");

            }

            else{

                Console.WriteLine("NEGATIVE");

            }

    }

}