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

2?????v

3????????

4?????????

5?????????

????????2?????????7???? (?????????? ???????)?????????6?????????,?????????????????????????7????????,????,?????,??3????????????5?,??-4??

2?????7?????,?????????,?,??????? ?

?????????,8??????9??,??????,????,8?5???,9?,?,????-4?????-1??9??????,???

???????,8?????????:????????2???????????????5?????????????,??-2???????????2?,??????5??14??9??:??0??????????????3?,?-4??-1?,3??13??

??,10??????????,?,?????,?????????????????????????,?????????????,????????

?????????,???????????,??????,?;????????????????????(?)

???:????