public class RedheadDuck extends Duck implements Flyable, Quackable{
	public void display(){
		System.out.println("This is RedheadDuck !!!!");
	}
	public void fly(){
		System.out.println("³¯¾Æ¿ä~!!!!");
	}
	public void quack(){
		System.out.println("²Ð±û²Ð!!!");
	}
}