using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var numbers = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();

        int sum = 0;

        bool marker = true;

        for (int i = 0; i < numbers.Length; i++)

        {

            for (int j = i + 1; j < numbers.Length; j++)

            {

                sum = numbers[i] + numbers[j];

                if (numbers.Contains(sum) && sum != 0)

                {

                    Console.WriteLine("{0} + {1} == {2}", numbers[i], numbers[j], sum);

                    marker = false;

                }

                sum = 0;

            }

        }

        if (marker)

        {

            Console.WriteLine("No");

        }

    }

}