??? ???????? ???????? ?????? ??????? ?????? ??? ?????? {??????.???? ????? {???????{ ?? ??????? ? ????????? ??????? ?????? ??? ???? ?????? ?????? ????? ??? ??? ?????? ??????? ??? ????? ????????. ???? ??? ???????: * ?? ???? ??? 18 ????. * ????? ??? ????? ?????? ?? ?????. * ???????? ???????? ??????. ????????? ???????? ?????? ??? ???? ?????? ????