import java.util.NoSuchElementException;
import java.util.Iterator;
import java.lang.Iterable;

class Box1 extends Box implements Iterable<Double> {

	public Box1(double x, double y, double z) {
		super(x,y,z);
	}

	public Iterator<Double> iterator() {
		return new BoxIterator();
	}
	
	class BoxIterator implements Iterator<Double> {
		private int count = 0;
		
		public boolean hasNext() {
			return count < 3;
		}

		public Double next() {
			count++;
			if (count == 1) {
				return getHeight();
			}
			else if (count == 2) {
				return getWidth();
			}
			else if (count == 3) {
				return getLength();
			} 
			else {
				throw new NoSuchElementException();
			}
		}
		
	}
}