.data
str:
	.asciiz "the sum is: "
	.text

	li	$a0, 6	# initialize argument 0
	li	$a1, 5	# initialize argument 1

sum:	beq	$a0, $zero,	sum_exit	# compare argument 0 = 0 
	add	$a1,	$a1, $a0	# add arguments
	addi	$a0,	$a0, -1		# a0 - 1
	j	sum			# unconditional jump to sum

sum_exit:	li	$v0,	4		# syscall code for print_string
	la	$a0,	str		# argument for system call
	syscall
	move	$a0, $a1		# argument for system call
	li	$v0, 1		# syscall code for print_integer
	syscall