?? ???????????
????:1??????:???????
2???????????
3?????????
4??????????????
5?????90????????
12?????2?,????? ??????? ? 12?????2?????,??????? ???????? ???????? 12???2???,??? ? ? 12???????????2?,??? ??????????? ???????? 12?2???,????? ? ?? 12?????2?,??????? ? ??? 12?????2?,??? ??? ? 12???2?,??????????? ???????? ? ??????:??