title to take a string  and display it
.model small
.stack 100h
.data
	str1 db 'enter a string',;$'
	str2 db 50 dup('$')
	str3 db 0dh,0ah, 'the entered string is','$'

.code
	main proc
	    mov ax,@data
	    mov ds,ax

	    mov ah,09h
	    lea dx,str1
	    int 21h

	    mov ah,0ah
	    lea dx,str2
	    int 21h

	    mov ah,09h
	    lea dx,str3
	    int 21h

	    mov ah,09h
	    lea dx,str2+2
	    int 21h

	    mov ah,4ch
	    int 21h

	 main endp
end main