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

2??????????

3?????6??????

4????????????

5????????

2?6??,?,????,????????????????????????? ?? ???? 2????????6??????????,?,?????????????????,??????????????? ????? ? 2?6??????????????,?????,????,??????? ? ?? 2?6?,????????,???????????????????,??????? ?????????? ????? 2?????6?,????????,??????,?????????? ?????????????? ?????????? ??:?????????