TripleSum - Arr

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

namespace TripleSum
{
    class TripleSum
    {
        static void Main()
        {
            int[] numbers = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
            int count = 0;
            int sumOFAll = 0;
            for (int left = 0; left < numbers.Length; left++)
            {
                for (int right = left + 1; right < numbers.Length; right++)
                {
                     sumOFAll = numbers[left] + numbers[right];
                    if (numbers.Contains(sumOFAll))
                    {
                        Console.WriteLine("{0} + {1} == {2}",numbers[left],numbers[right],sumOFAll);
                        count++;
                    }
                }
            }
            if (count == 0)
            {
                Console.WriteLine("No");
            }
        }
    }
}