Exam 3. Sum of Elements

namespace _2.SumOfElements
{
    using System;

    public class SumOfElements
    {
        public static void Main(string[] args)
        {
            checked
            {
                string inputLine = Console.ReadLine();

                string[] numStr = inputLine.Split(' ');
                long sumOfElements = 0;
                long maxElement = 0;
                for (int i = 0; i < numStr.Length; i++)
                {
                    long num = long.Parse(numStr[i]);
                    sumOfElements += num;
                    if (num > maxElement)
                    {
                        maxElement = num;
                    }
                }

                sumOfElements -= maxElement;
                if (maxElement == sumOfElements)
                {
                    Console.WriteLine("Yes, sum={0}", sumOfElements);
                }
                else
                {
                    long diff = Math.Abs(maxElement - sumOfElements);
                    Console.WriteLine("No, diff={0}", diff);
                }
            }
        }
    }
}