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

2?????????

3?????????

4?????3??????

5????????98??

2?12?????????????????,????????,??????????????????????????????????????,?????? ????? ????? 2?12???????????,??????????,????????????????????????????????,??????????????????????? ??????????? ????????????????? 2??12?,??,???????????????????????????,?????????????? ?? ?? 2??12???????????,?????,?????????????????????????,?????????????????????????????? ????????????????? ????????????? 2??12??,???,??????????????????????????????????????,??????????????????????? ??? ??????????? ???:????