using System;

class Program
{
    static void Main()
    {
        Console.Write("Ievadi skaitli: ");
        int skaitlis = Convert.ToInt32(Console.ReadLine());

        if (skaitlis > 0)
            Console.WriteLine("Pozitīvs.");
        else if (skaitlis < 0)
            Console.WriteLine("Negatīvs.");
        else
            Console.WriteLine("Nulle.");
    }
}