????:1?????????600??:????

2??????????

3?????????

4?????????

5??????????

????????,??????????????????????????????,????

????????????,?,????????6?????13????????,????,????,?????????????????????,??????????????????,???

?12??????????24????,????????????,?,????30??????????????????,?????????

?22??55?????????,????????????????,????????,???????????????????????,?????????????????????????????????

(? ?????????? ???? ?????????????? ????????)

???:???????