using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

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

        //      

        List<int> arr = new List<int>();

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

        {

            var num = int.Parse(Console.ReadLine());

            arr.Add(num);

        }

        arr.Sort();

        var greatest =0;

        foreach(int i in arr)

        {

            greatest = i;           

        }

        arr.Remove(greatest);

        var sumT =0;

        foreach(int i in arr)

        {

            sumT +=i;           

        }

        if(sumT == greatest)

        {

            Console.WriteLine("Yes");

            Console.WriteLine("Sum = {0}", sumT);

        }

        else

        {

            var prt = Math.Abs(greatest - sumT);

            Console.WriteLine("No");

            Console.WriteLine("Diff = "+prt);

        }

​

    }

}