using System;

public class Program

{

    public static void Main()

    {

            int x;

        Console.Write("input x :");

        x = Convert.ToInt32(Console.ReadLine());

        if(x>0)

        {

            Console.WriteLine("Positive");

    }

    else if (x==0)

    {

        Console.WriteLine("Zero");

    }

        else if(x<0)

        {

        Console.WriteLine("Negative");  

    }

}

}