.model small 
.stack       

.data        
            

msg    db "Sum of 2 integer values.","$" 
msg1     db 13,10, "  Input a valid integer value :  ","$"
msg2    db 13,10, "  Input an other integer, please :  ","$"
msg3    db 13,"   The sum is :  ","$"
acc     dw 0       
dix     dw 10 
.code   
        
main    proc
	mov   ax,@data       
	mov   ds,ax          
	MOV   AX,0

	mov   ah,09
	lea   dx,msg
	int 21h 
	
	mov   ah,09
	lea   dx,msg1     
        int   21h

        mov   ah,1
        int   21h
        add   al,-48
        mov   ah,0
        mov   bx,ax
        
@1:      mov   ah,1
        int   21h
        mov   ah,0
        cmp   al,13
        je    @3
        add   al,-48
        
        mov   cx,9
        
        mov   dx,bx
@2:      add   dx,bx
        loop  @2
        mov   bx,dx
        add   bx, ax 
        jne @1
@3:      mov ah,2
        mov dl,10
        int 21h 

        mov   ah,09
	lea   dx,msg2     
        int   21h
        mov   ah,1
        int   21h
        add   al,-48
        mov   ah,0
        mov   dx,ax
    
@4:      mov   ah,1

        int   21h
        mov   ah,0
        cmp   al,13
        je    @5
        add   al,-48
        mov cx,ax
        mov ax,dx
       
        mul dix
        mov dx,ax
        add   dx,cx 
        jne  @4

@5:      add   bx,dx
        mov   ah,2
        mov   dl,10
        int   21h
        
        
        cmp    bl,0
        jne     @6
        add    bl,48
        mov    ah,2
        mov    dl,bl
        int    21h  
        jmp    fin 

@6:   mov    ax,bx
        
        
@7:      cmp    ax,0
        je     @8
        mov    dx,0
        div    dix
        push   dx
        inc    acc
        jmp    @7

@8:      mov    cx,acc
	
	mov   ah,09
	lea   dx,msg3     
        int   21h

	
@9:      pop    bx
        add    bl,48
        mov    ah,0
        mov    ah,2
        mov    dx,bx
        int    21h  
        loop   @9
    

fin:    mov   ax,4c00h 
	int   21h      

main   endp

end main