Kantis

person::operator= (const Person & P) const{  return ((areanumber > P.areanumber) or	  ((areanumber == P.areanumber) and	   (number > P.number)) or	  ((areanumber == P.areanumber) and	   (number == P.number) and	   (familyname > P.familyname)) or	  ((areanumber == P.areanumber) and	   (number == P.number) and	   (familyname == P.familyname) and	   (name > P.name)));}