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

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

3?????

4????????

5??????????

??????????12???3????? (?????????????????? ???????????? ??)?????3?,???????????????,???????????,?????????

3???6???50??,??,???9??????????????????????????,???????????????????9?????

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

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