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

2????????

3?????????

4????????

5??????

2?8????????????,??????????????????????,????,????????? ?? ? 2???8?,?????????,????????????,??(?)????? ? ???? 2?8?,???????????,?????????????,??????????????????????????? ???????????? ? 2????????????????8?,???,???????????????????,?????,???????????????(?????)???????????? ???????????????? ????? 2????????????????8???,???,???,????????????????,????(????)??? ???? ?????????????? ??????:??