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

2??????

3??????????

4???????

5?????????

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

??????????????????????

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

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

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