assume 	cs: code
	ds: data
	es: data
myvars  db 19, 74, 33

start:
	mov al,ax
	mov bl,bh
	xor ax,ax
	int 21h
	cmp al,20
	jne et1
et2:	mov cx,77
	loop et2:
et1:
	nop
	push ax
	push bx