using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HalfSumElement
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int biggestInt = 0;
            int number = 0;
            int sum = 0;
            for (int i = 0; i < n; i++)
            {
                number = int.Parse(Console.ReadLine());
                if (number > biggestInt)
                {
                    biggestInt = number;
                }
                sum += number;
            }
            sum -= biggestInt;
            if (sum == biggestInt)
            {
                Console.WriteLine("Yes\nSum = " + sum);
            }
            else if (sum > biggestInt)
            {
                Console.WriteLine("No\nDiff = " + Math.Abs(sum - biggestInt));
            }
            else if (biggestInt > sum)
            {
                Console.WriteLine("No\nDiff = " + Math.Abs(biggestInt - sum));
            }

        }
    }
}