using System;

public class Program

{

    public static void Main()

    {

       Console.Write("Брой числа, които искаш да въведеш: ");

        int numbersBroi = int.Parse(Console.ReadLine());

        int counterChetni = 0;

        int counterNechetni = 0;

        for (int i = 1; i <= numbersBroi; i++)

        {

            Console.Write("Въведи число" + i + ":");

            int chislo = int.Parse(Console.ReadLine());

            if (i % 2 == 0)

            {

                 counterChetni = counterChetni + chislo;

            }

            else

            {  

                 counterNechetni = counterNechetni + chislo;

            } 

        }

        if (counterChetni == counterNechetni)

        {   

            Console.WriteLine("YES " + counterChetni);

        }   

    }

}