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

2??????????

3??????

4???????

5???????600?????

2???????????????1????????,????????????????????????????????????????,????,????????????????,???????? ????? ? 2??1???,??????????,????????,????????,??????? ?????????????? ???? 2?1????,??????????????????????????,??,????????????????????,?????????????? ?????????? ? 2???????????1??????????,???????????????????????,???,???????,???????????????? ?????????? ???????? 2??????????????1????????,?????,????,??????????????????,????????????????? ? ???????? 2?1??????????????,??????????????????,????,????,????? ?????????????? ?????????????? 2??????????????1??????????,?????????????????????????????,?,???????,?????????? ???? ???? 2??????????????1??????????,?????????????????????????,?,????????????????,????????????? ???? ??????????????? 2???1??????????,?????,??????????????,?????,?????????? ?? ?????????????? 2??????????????1???,??????????????????,?,?????????,???????????????????? ????? ? ???????????:???????????????