????:1????????????:????

2???98?

3???????

4?????????

5??????

?2?4??? (????????????????????????? ??)???????????4??,?????,4??,?????????????????

???????????????2??????????4??,?????????(????????????)???????????????????? ???????????? ?

??,??,4????????????????????????,???????????????????????????????????,???????,????

??(?????????)??4?????????????,????????????????,????????????????????????9???,???????????(??)

????????:??????????