class Kloon2 implements Cloneable{
  String nimi;
  Kloon2 isa;
  Kloon2 ema;
  public Object clone(){
    Object o=null;
    try{
      o=super.clone(); 
      Kloon2 k=(Kloon2)o;
      if(isa!=null){
        k.isa=(Kloon2)isa.clone();
      }
      if(ema!=null){
        k.ema=(Kloon2)ema.clone();
      }
    }catch(CloneNotSupportedException e){}
    return o;
  }
  public String toString(){
    String s=nimi+"(";
    if(isa!=null){ s+=isa.toString(); }
    s+=", ";
    if(ema!=null){ s+=ema.toString(); }
    s+=")";
    return s;
  }
}