Bsr main
	HALT
main:
	LINK 2
	LDC 3
	LDS 0
	LDLA 1
	STA 0
	AJS -1
	LDC 4
	LDS 0
	LDLA 2
	STA 0
	AJS -1
	LDL 1
	LDL 2
	ADD
	LDS 0
	LDLA 1
	STA 0
	AJS -1
	LDL 1
	TRAP 0
	AJS 1
	AJS -1
	UNLINK
	RET