08. Magic Sum

8. Magic Sum
Write a program, which prints all unique pairs in an array of integers whose sum is equal to a given number.

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

namespace _08MagicSum
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] array = Console.ReadLine().Split().Select(int.Parse).ToArray();
            var number = int.Parse(Console.ReadLine());

            int magicSum = 0;
            for (int i = 0; i < array.Length - 1; i++)
            {
                for (int a = i + 1; a < array.Length; a++)
                {
                    magicSum = array[i] + array[a];
                    if (magicSum == number)
                    {
                        Console.WriteLine(string.Join(" ", array[i], array[a]));
                    }
                }
            }
        }
    }
}