program to find the sum of 3 numbers and also its average using 8086 compatible assembly language

ass1.asm

;program to find the sum of 3 numbers and also its average
INCLUDE io.h

Cr EQU 0ah
Lf EQU 0dh


data SEGMENT
p_a DB cr, lf, 'Enter a: ',0
p_b DB lf, 'Enter b: ',0
p_c DB lf, 'Enter c: ',0
p_sum DB cr, lf, 'The sum is: ',0
p_avg DB cr, lf, 'The avg is: ',0
tmpstr DW 40 DUP (?)
data ENDS



code SEGMENT
	ASSUME cs:code, ds:data
start:	mov ax, data
	mov ds, ax
		;input a
	output p_a
	inputs tmpstr, 10
	atoi tmpstr
	mov dx, ax
		;input b
	output p_b
	inputs tmpstr, 10
	atoi tmpstr
	add dx, ax
		;input c
	output p_c
	inputs tmpstr, 10
	atoi tmpstr
	add dx, ax
		;find and print sum
	output p_sum
	mov ax, dx
	itoa tmpstr, ax
	output tmpstr
		;find and print average
	output p_avg
	cwd
	mov cx, 3
	idiv cx
	itoa tmpstr, ax
	output tmpstr

quit:	mov al, 00h
	mov ah, 4ch
	int 21h
code ENDS
END start

hello, can u please tell me which assembly editor can i use with this code

I think I have done this using MASM long back. But you might have to try which MASM works with this.