Write a program to (a) display a "?", (b) read two decimal d

include "emu8086.inc"
.model small
.stack 100h
.code
main proc
    print "?"
    mov ah,1
    int 21h
    mov bl,al
    int 21h
    mov bh,al

    printn

    print "The Sum of "
    mov ah,2
    mov dl,bl
    int 21h
    print " and "
    mov dl,bh
    int 21h
    print " is: "

    add bl,bh
    sub bl,30h

    mov ah,2
    mov dl,bl
    int 21h