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

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

3?????????????

4???????????????

5????????????

????????????2?2??????? (??????????? ???????????)????2?,?2?4?,??????,?????????5?????8?,?0??

?????????????,????????2????????,?2?,??3?????

???,???????,2?3?,????,??????????(????)????,??:?4??8?,??9???????13?,??13??????16??2?????????4????????,?,?:????4???6?(??1????????1?),?10???????13?,?7??10??

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