mẹ bố nhà mày
chả đứa nào trả lời gì cả
25 đó
đúng100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...........0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.....%
sao ko ai ghi lời giải ra vậy