Thay oi, em dang lam bai bang bam. Ma no chay khong duoc. Luu tren file khong duoc va doc tu file xuong cung khong duoc. Cac ban nao biet chi minh voi nhe.
Day la bai nop 1 cua em. Cac ban nao co xem thi kiem tra dum minh neu co sai thi sua giup minh nhe. <!–emo&:rolleyes:–><img src=‘http://www.uit.edu.vn/forum/html/emoticons/rolleyes.gif’ border=‘0’ style=‘vertical-align:middle’ alt=‘rolleyes.gif’ /><!–endemo–>
