.ORIG x3000
	AND R1, R1, #0	;initialize R1 to zero
	AND R2, R2, #0	; initialize R2 to zero
	IN		; read input number into R0
	ADD R1, R1, R0	; store first number in R1
	IN		; read second number
	ADD R2, R2, R0	; store second number into R2
	ADD R0, R2, R1	; add the two numbers and store into R0
	OUT		; print sum onto display
	HALT
	.END