HalfSumElements

using System;

namespace LiveDemoII
{
    public class Program
    {
        public static void Main()
        {
            int numberOfInputs = int.Parse(Console.ReadLine());

            int maxNumber = int.MinValue;
            int sum = 0;
            bool thereIsMaxNumber = false;
            for (int currInput = 0; currInput < numberOfInputs; currInput++)
            {
                int number = int.Parse(Console.ReadLine());

                sum += number;

                if (maxNumber < number)
                {
                    maxNumber = number;

                    thereIsMaxNumber = true;
                }
            }

            sum -= maxNumber;
            bool theSumIsEqual = maxNumber == sum;

            string result = string.Empty;
            if (thereIsMaxNumber && theSumIsEqual)
            {
                result = $"Yes\r\nSum = {maxNumber}";
            }
            else
            {
                result = $"No\r\nDiff = {Math.Abs(maxNumber - sum)}";
            }

            Console.WriteLine(result);
        }
    }
}