using System;

namespace Sums
{
    class Program
    {
        static void Main()
        {
            long n = long.Parse(Console.ReadLine());
            long sum = 0;

            // Create an array with size n.
            long[] numbers = new long[n];

            // Fill the array.
            for (int i = 0; i < numbers.Length; i++)
            {
                long num = long.Parse(Console.ReadLine());
                numbers[i] = num;
            }

            // Sort the array from min to max number;
            Array.Sort(numbers);

            // When sorted, last number will be the largest.
            long largest = numbers[n - 1];

            // Sum all element of the array
            for (int i = 0; i < numbers.Length; i++)
            {
                sum += numbers[i];
            }

            // Substract largest number from total sum.
            sum -= largest;

            if (largest == sum || n == 0)
            {
                Console.WriteLine("Yes");
                Console.WriteLine("Sum = " + sum);
            }
            else
            {
                Console.WriteLine("No, diff = " + Math.Abs(largest - sum));
            }
        }
    }
}