using System;

public class Program

{

    static int nNum, nAux;

    public static void Main()

    {

        Console.WriteLine("Digite um número");

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

        if (nNum < 0)

            {Console.WriteLine("NEGATIVO");}

        else

        {

            nAux = nNum/2;

            nAux = nAux * 2;

                if (nAux == nNum)

                    {Console.WriteLine("PAR");}

                else

                    {Console.WriteLine("ÍMPAR");}

        }

    }

}