class OntoParam{
   String name;
   double coef;
   OntoParamGroup parent;
   public OntoParam(){
     this("???", 0.0, null);
   }
   
   public OntoParam(String name, double coef, OntoParamGroup parent){
      this.name=name; 
      this.coef=coef;
      this.parent=parent;
   }
   public String toString(){
       return name+" "+((int)(coef*100))/100.0;
   }
   
   double getActualCoef(){
      if(parent==null){
         return coef;
      } else {
         return coef*parent.getActualCoef();
      }
   }
}