using System;

class IndexerClass 
{
   public int this [int index]   // Indexer declaration
   {
      get 
      {
         Console.WriteLine("GET {0}", index);
         return 0;
      }
      set 
      {
         Console.WriteLine("SET {0} {1}", index, value);
      }
   }
}

public class MainClass 
{
   public static void Main() 
   {
      IndexerClass b = new IndexerClass();
      int x = ++b[5];
      Console.WriteLine("b[5]={0} x={1}", b[5], x);
   }
}