?????????????????????

??

????????2?11?????????? ?????????11????????????????????,????,??

2?????????1??2????5??????????????,????????,??????????46?103?????????????,???????,?????????????????????????????????????????????????????5???????????????

???,?????B?,?????C??????????????,???????????????????????A????11??????????????1??????3???3??

??,??????????????????,????????????(??????) ???:??????????

?????????

???????????????????????????????

????????