static void Main(string[] args)
{
Town one = new Rusian.Moscow();
Town second = new Ukraine.Kiev();
Town thert = new USA.NewYork();
Comparison.ComparisonPopulation(one, second, thert);
}
static void Main(string[] args)
{
Ukraine.Kiev ob1 = new Ukraine.Kiev(2850000);
USA.NewYork ob2 = new USA.NewYork(8400000);
Japan.Tokio ob3 = new Japan.Tokio(12800000);
Console.WriteLine("The population of Kiev is {0} inhabitants.\n", ob1.Population);
Console.WriteLine("The population of NewYork is {0} inhabitants.\n", ob2.Population);
Console.WriteLine("The population of Tokio is {0} inhabitants.\n", ob3.Population);
Console.ReadKey();
}