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

2?????????????

3????????

4?????

5?9???6?????

??????2??????????????5???????????????????????? (??????????????? ??????????)?????????????????5???????

?????????

??:??,???????????????,????????????????????????????,?????

?,????,???????????

???????????50???,??????????,?????????,????,????????50????????????,??,?,?????,?????????????????????,???????????????????,???,???(???) ???:???????????