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