using System;

public class Program

{

    public static void Main()

    {

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

​

            int maxNumber = int.MinValue;

            int sum = 0;

​

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

            {

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

                sum += number;

                if (number > maxNumber)

                {

                    maxNumber = number;

                }

​

            }

            int sumWithOtMaxNumber = sum - maxNumber;

            if (maxNumber == sumWithOtMaxNumber)

            {

                Console.WriteLine("Yes");

                Console.WriteLine("Sum = " + (sum - maxNumber));

            }

            else

            {

                int diff = Math.Abs(maxNumber - sumWithOtMaxNumber);

                Console.WriteLine("No");

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

​

    }

}