08.Magic Sum (C# Shell App Paste)

//Disclaimer: The creator of 'C# Shell (C# Offline Compiler)' is in no way responsible for the code posted by any user.
Disclaimer: The creator of 'C# Shell (C# Offline Compiler)' is in no way responsible for the code posted by any user.
using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;

namespace CSharp_Shell
{

    public static class Program
    {
        public static void Main()
        {
           //Write a program, which prints all unique pairs in an array of integers whose sum is equal to a given number.
           int[] arr = Console.ReadLine()
           .Split()
           .Select(int.Parse)
           .ToArray();

           //result=0;
           int num = int.Parse(Console.ReadLine());
           for(int i =0; i< arr.Length-1;i++)
           {
               for(int j=i+1; j<arr.Length;j++)
               {


               if(arr[i] + arr[j]==num)
               {
                   Console.WriteLine($"{arr[i]} {arr[j]}");
               }

               }
           }


        }
    }
}