static void Main(string[] args)
{
Human fred = new Human();
Human george = new Human();
fred.attack(george);
Console.WriteLine(george.getHealth());
Console.WriteLine();
Console.WriteLine();
Wizard gandalf = new Wizard();
gandalf.fireball(fred);
gandalf.heal();
Ninja naruto = new Ninja();
naruto.steal(gandalf);
naruto.get_away();
Samurai jack = new Samurai();
jack.medidate();
Samurai shigeru = new Samurai();
Samurai yamada = new Samurai();
shigeru.death_blow(yamada);
Console.WriteLine(Samurai.howMany());
}