class Siga{
  private int mass;
  public Siga(int umass){
     mass=umass;
  }
  public void toida(int kogus){mass+=kogus;}
  public void erita(){mass=(int)(mass*0.99);}
  public String toString(){return "siga massiga "+mass/1000+" kg, "+mass%1000+"g";}
  public int kysiMass(){return mass;}
}