public class ElvisJoke {
	public static void main(String[] args) {
		ElvisJoke haha = new ElvisJoke();
		TNode theBuilding = haha.new TNode();
		TNode elvis = haha.new TNode(theBuilding,null,"Elvis");
		if (elvis.hasLeft(theBuilding)){
			System.out.println("Thank you very much!");
		}
	}
	private class TNode {
		TNode left;
		TNode right;
		String data;
		TNode(){
			this(null,null,"No Data");
		}
		TNode(TNode left, TNode right, String data){
			this.left = left;
			this.right = right;
			this.data = data;
		}
		boolean hasLeft(TNode node){
			return (left!=null);
		}
		boolean hasRight(TNode node){
			return (right!=null);
		}
		String getData() {
			return this.data;
		}
	}
}