?? ??????? ???????
????:1???????????:???????
2????????????
3?????
4??????????
5???????????
????1?20?,?????,??????? ????? ????? ??1?20???????,??,???? ????? ? ?1??????????????????????????????20?,????????????????? ??? ? ??1?20?,???41??? ????????????????????????? ?? ?????1?20????,???? ? ??? ????????????????????????:??????????????