using System;

public class Program

{

    public static void Main()

    {

    Console.WriteLine("Vuvedete broi chisla");

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

        int oddSum=0;

        int evenSum=0;

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

        {

            if (i%2==0)

            {

            oddSum=oddSum+int.Parse(Console.ReadLine());

        }

            else 

            {

                evenSum=evenSum+int.Parse(Console.ReadLine());

            }

        }

        {

        if(oddSum==evenSum)

        {

            Console.WriteLine("yes" + evenSum);

        }

            else

            {int difference=Math.Abs(oddSum-evenSum);

                Console.WriteLine("No");

             Console.WriteLine("Difference = "+ difference);

            }

    }

}

    }

​