?????? ???????? ???? ?????? ??????? ?????? ??? ?????? {??????. .?? ????? {???????{ ?? ??????? ? ??????? ??????? ?????? ??? ???? ?????? ?????? ????? ??? ??????? ?????? ??????? ??? ?? ???? ????????. ???? ??? ??????: * ????? ??? 21 ???. * ??????? ??? ????? ???? ??? ?????. * ?????? ??????? ?????? ??????. ??????? ??????? ?????? ??? ????? ?????? ??