using System;
using System.Linq;

namespace _04._Triple_Sum
{
    class Program
    {
        static void Main(string[] args)
        {
           int sum = 0;
           int counter = 0;
           int[] arr = Console.ReadLine().Split().Select(int.Parse).ToArray();
           for (int i = 0; i < arr.Length - 1; i++)
            {
                for (int j = 1; j <= arr.Length; j++)
                {
                    if (i + j < arr.Length)
                    {
                        sum = arr[i] + arr[i + j];
                    }
                    for (int k = 0; k < arr.Length; k++)
                    {
                        if (sum == arr[k] && (i + j < arr.Length))
                        {
                            Console.WriteLine($"{arr[i]} + {arr[i + j]} == {arr[k]}");
                            counter += 1;
                            break;
                        }
                    }
                }
            }
            if (counter == 0)
            {
                Console.WriteLine("No");
            }

        }
    }
}