static void Search(int memoryNeeded, Block[] pool)
 {
     for (int i = 0; i < pool.Length; i++)
     {
         if (memoryNeeded <= pool[i].Size && pool[i].Available)
         {
             pool[i].Available = false;
             Console.WriteLine("Found empty size {0} space at {1} position, wasted memory: {2}", pool[i].Size, i, (pool[i].Size - memoryNeeded));
             break;
         }
     }
 }
 static void Main(string[] args)
 {
     Block[] pool = new Block[5];
     pool[0] = new Block(9);
     pool[1] = new Block(20);
     pool[2] = new Block(20);
     pool[3] = new Block(20);
     pool[4] = new Block(20);
     while (true)
     {
         Console.WriteLine("Enter the amount of memory needed: ");
         int amount = int.Parse(Console.ReadLine());
         Search(amount, pool);
     }
 }