.data
m_str:	.asciiz	"Hello World!\n"
	.text
	li	$a0,3
	la	$a1,m_str
	jal	printn
	li	$v0,10
	syscall
print:	li	$v0,4
	syscall
	jr	$ra
printn:	move	$s0,$a0		# save number times to print
	move	$a0,$a1		# copy the address of string
	move	$s1,$ra		# save return address
printn_loop:
	beq	$s0,$0,printn_exit
	jal	print
	addi	$s0,$s0,-1
	j	printn_loop
printn_exit:
	jr	$s1