04TrippleSum

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _04TrippleSum
{
    class Program
    {
        static void Main(string[] args)
        {
            long[] nums = Console.ReadLine().Split(' ').Select(long.Parse).ToArray();
            string message = String.Empty;
            for (int i = 0; i < nums.Length; i++)
            {
                for (int j = 1; j < nums.Length; j++)
                {
                    if (i < j)
                    {
                        for (int k = 0; k < nums.Length; k++)
                        {
                            if (nums[i] + nums[j] == nums[k])
                            {
                                message = nums[i] + " " + "+" + " " + nums[j] + " " + "==" + " " + nums[k];
                                Console.WriteLine(message);
                            }

                        }
                    }
                }
            }
            if (message.Length == 0)
            {
                Console.WriteLine("No");
            }
        }
    }
}