SumOfElements

using System;
using System.Linq;
using System.Collections.Generic;

class SumOfElements
{
    static void Main()
    {
        var num = Console.ReadLine().Split(' ').Select(int.Parse);
        int sum = num.Sum();
        if (sum == 2 * num.Max())
        {
            Console.WriteLine("Yes, sum={0}", num.Max());
        }
        else
        {
            int diff = Math.Abs(sum - 2 * num.Max());
            Console.WriteLine("No, diff={0}", diff);
        }
    }
}