using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _03.Equal_sum_extraction
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] first = Console.ReadLine()
                         .Split()
                         .Select(int.Parse)
                         .ToArray();
            int secondSum = Console.ReadLine()
                          .Split()
                          .Select(int.Parse)
                          .Where(num => !IsInFirst(first, num))
                          .ToArray().Sum();
            int firstSum = first.Sum();
            if (firstSum == secondSum)
                Console.WriteLine($"Yes. Sum: {secondSum}");
            else
                Console.WriteLine($"No. Diff: {Math.Abs(firstSum - secondSum)}");
        }

        private static bool IsInFirst(int[] first, int num)
        {
            for (int i = 0; i < first.Length; i++)
            {
                if (first[i] == num)
                    return true;
            }
            return false;
        }
    }
}