ง่ายๆ
?????PG ??????? ???? ??????????????????? ?????????????????? ??? ?????? ??? ????! ??? ??????? ???? ???? ???????????PG ?????, ??? ?????? {????????|{?????|:
??? ?????? ????? ??? ??????? ??????
???????? ?? ???????????
?????? ????????? ??? ???????
???? ????????????
????
???? ????????? PG ??????????