?? ??????????:???????????????
????:1???????:??????????
2??????
3???????
4????????
5???????
????????1??????????????????????31???????????? 1???????????????31?,?????,??????????????????????,?,??????,???????????????
????????????????????????????????1?????????????29??,????????????????????,????????????,??????
???????,??????,????
?,????????,??,???????????????????????,?2?????????
?,?????,???,?????????(?????????????) ???:??????????