using System;

class HalfSumElement
{
    static void Main(string[] args)
    {

        int biggestNumber = int.MinValue;
        int sum = 0;
        int n = int.Parse(Console.ReadLine());
        for (int i = 0; i < n; i++)
        {
            int number = int.Parse(Console.ReadLine());
            sum += number;
            if (biggestNumber < number)
            {
                biggestNumber = number;
            }
        }
        sum -= biggestNumber;
        int difference = Math.Abs(sum - biggestNumber);
        Console.WriteLine(sum == biggestNumber ? $"Yes\nSum = {sum}" : $"No\nDiff = {difference}");
    }
}