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