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

2???????

3??????????

4?????

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

2????????3?,?????,??(???????)?(?????)???????????????,??????(????????????????????????)????????????????? ???????? ????? 2?????????????????3?,?????,?(?)?(??)????,????(?)? ??? ???????????????????????? 2????????3??,?????????????????,????????????????????????(???)?????(?????)???????????????????????????,??(????????)? ? ??? 2???????3????????,??,?(????????)?(?)???,?????????(?)???????? ????? ? ??:??????????????????