static void Main(string[] args)
{
Incrementer incrememter = new Incrementer();
Dozens dozensCounter = new Dozens(incrememter);
incrememter.DoCount();
Console.WriteLine("Number of dozens = {0}", dozensCounter.DozensCount);
}
public Dozens(Incrementer incrementer)
{
DozensCount = 0;
incrementer.CountedADozen += IncremenDozensCount;
}