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

2??????

3????????

4???????

5??????

2???1?,?????????????????????????????????????????????? ???????? ???????????????????????? 2????????1?????,?????? ??? ? 2????????1????????,??? ??? ???????????????????? 2??????????????????1?????????????????,??????? ????????????????????? ???????? 2?1???????????????????????,???????? ??? ???????? 2?1???,?????,??? ????? ? 2????????1?,????????? ? ????? 2?1????????,??????? ????? ???????? 2???1?,?????????? ? ? 2?1?????????????????????????,????? ???????? ????? 2?1?????,??????????????????????? ????? ??? ???????????????????:??