using System;

using System.Linq;

public class EqualSumAfterExtraction

{

    public static void Main()

    {

        var numbersListOne = Console.ReadLine().Split().Select(int.Parse).ToList();

        var numbersListTwo = Console.ReadLine().Split().Select(int.Parse).ToList();

        for (int i = 0; i < numbersListOne.Count; i++)

        {

            if (numbersListTwo.Contains(numbersListOne[i]))

            {

                numbersListTwo.Remove(numbersListOne[i]);

                i = 0;  

            }

        }

        if (numbersListOne.Sum() == numbersListTwo.Sum())

        {

            Console.WriteLine("Yes. Sum: {0}", numbersListOne.Sum());

        }

        else

        {

            Console.WriteLine("No. Diff: {0}", Math.Abs(numbersListOne.Sum() - numbersListTwo.Sum()));

        }

    }

}