class BaumTest{
	
	public static void main(String[] args){
		Baum eiche = new Blatt<Integer>(17);
		Baum birke = new Blatt<String>("Ernst");
		Baum tanne = new Knoten(eiche,birke);
		tanne = new Knoten(birke,tanne);
		eiche = new Knoten(tanne,birke);
		
		System.out.println(eiche.tiefe());  
		
	}
	
}