Brt yx xp r Vy}{p uy~p|~p } ~p t}. Npy ~u ~p{|sy yut { rp} t}z y rut ru ~uqty}u ut t| {uzus q|usu~y ~y y rrtp yx xp. I|utrp r tq~uu - rrt yx xp tuur r y}{p