a 100
MOV AH,1
INT 21
SUB AL,30
CMP AL,9
JBE 10C
SUB AL,7
MOV CL,4
SHL AL,CL
MOV BH,AL
MOV AH,1
INT 21
SUB AL,30
CMP AL,9
JBE 11E
SUB AL,7
ADD BH,AL
MOV AH,2
MOV DL,0A
INT 21
MOV DL,0D
INT 21
MOV DL,BH
INT 21
INT 20

n hexin.com
r bx
0
r cx
30
w
q