using System;

public class Program

{

    public static void Main()

    {

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

        int sum = 0;

        int max = 0;

        for (int i = 0; i < n; i++)

        {

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

            sum += m;

            if (i == 0)

                max = m;

            if (m > max)

                max = m;

        }

        sum -= max;

        if (sum == max)

        {

            Console.WriteLine("Yes");

            Console.WriteLine("sum = {0}",max);

        }

        else

        {

            Console.WriteLine("No");

            Console.WriteLine("diff = {0}", Math.Abs(sum - max));

        }

    }

}

​