????: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??

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