SumOfElements

using System;

class Program
{
    static void Main()
    {
        string[] input = Console.ReadLine().Split();
        bool yes = false;
        long result = long.MaxValue;
        for (int i = 0; i < input.Length; i++)
        {
            long sum = 0;
            long current = long.Parse(input[i]);
            for (int j = 0; j < input.Length; j++)
            {
                if (j != i)
                {
                    sum += long.Parse(input[j]);
                }
            }
            if (current == sum)
            {
                result = current;
                yes = true;
                break;
            }
            else
            {
                long difference = (sum - current);
                difference = Math.Abs(difference);
                if (difference < result)
                {
                    result = difference;
                }
            }
        }
        if(yes)
        {
            Console.Write("Yes, ");
            Console.WriteLine("sum={0}", result);
        }
        else
        {
            Console.Write("No, ");
            Console.WriteLine("diff={0}", result);
        }
    }
}