using System;
using System.Linq;
namespace apps
{
    class Program
    {
        static void Main(string[] args)
        {
            static string Get() { return Console.ReadLine(); }
            // 08. Condense Array to Number

            //-----------------------------------------------------------------------------------------
            //-----------------------------------------------------------------------------------------
            //-----------------------------------------------------------------------------------------
            //-----------------------------------------------------------------------------------------
            string Condensing = Get();
            if (Condensing.Length == 1) { Console.WriteLine("1 is already condensed to number"); }
            else
            {
                while (true)
                {


                    string[] inputArray = Condensing.Split(' '); // convert the string into array
                    int[] nums = new int[inputArray.Length ]; // create int array
                    for (int i = 0; i < nums.Length; i++) { try { nums[i] = Convert.ToInt32(inputArray[i]); } catch { Console.WriteLine(inputArray[i]); } }// transfer the array into int array
                    Condensing = string.Empty; // reset the string to be re-written for the next cycle

                    //-----------------------------------------------------------------------------------------

                    for (int i = 0; i < nums.Length - 1; i++) { if (nums[i + 1] != 0) { Condensing += (nums[i] + nums[i + 1]).ToString() + " ";  Console.WriteLine($"{nums[i]} + {nums[i+1]} = {nums[i] + nums[i+1]}"); } } // create new array of the added nums.


                    if (Condensing.Length <= 3) { break; }
                }
                Console.WriteLine(Condensing);
            }









        }


    }
    }