20???100 ???? ???? c? h?i ??! ??????? -20 ??? 100 ??? ?????????? ??? ?????? ??? ???????? ????? ????? ???? ?????? ??? ??? ?????? ??? ????????? ?????? ????? ????????? ?????? ??????????! 20 ??? ????? 100 ??? ???????? ???????? ??????? ????? ?????????? ????? ???? ????? ????? ??????? 20 ??? 100 : ?????? ??? ????