Có mấy chữ a vay ha
0000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000c000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000000
có 0 chữ a nhé bn
không có chữ a nào hết