.Code
ARITH	START	0
	LDA	x
	ADD	y
	STA	sum
	LDA	x
	SUB	y
	STA	diff
	LDA	x
	MUL	y
	STA	prod
	LDA	x
	DIV	y
	STA	quot
	MUL	y
	STA	mod
	LDA	x
	SUB	mod
	STA	mod
HALT	J	HALT

.Data
x	WORD	42
y	WORD	27
sum	RESW	1
diff	RESW	1
prod	RESW	1
quot	RESW	1
mod	RESW	1
	END	ARITH