NUM_VALUES = 10

main:
	# $t0 i
	# $t1 index
	# $t2 other calculation

	li	$t0, 0		#int i = 0;
read_loop:
	bge	$t0, NUM_VALUES, end_read_loop	# if i >= NUM_VALUES goto end_read_loop

	li	$v0, 5		#syscall readint
	syscall

	mul	$t2, $t0, 4	#offset = i * 4
	sw	$v0, values($t2) #scanf("%d", &values[i]);

	addi	$t0, $t0, 1	#i++;
	b	read_loop
end_read_loop:
	li	$t2, NUM_VALUES	
	sub	$t2, $t2, 1	#$t2 = NUM_VALUES -1
	mul	$t2, $t2, 4	#$t2 = (NUM_VALUES -1) * 4
	lw	$t1, values($t2) #int index = values[NUM_VALUES - 1];

if_valid:
	bltz	$t1, else_if_not_valid		# if index < 0
	bge	$t1, NUM_VALUES, else_if_not_valid	# if index >= NUM_VALUES

	mul	$t2, $t1, 4		#offset = index * 4
	lw	$a0, values($t2)	#values[index]
	li	$v0, 1
	syscall				#printf("%d", values[index]);

	li	$v0, 11			#putchar('\n')
	li	$a0, '\n'
	syscall

	b	if_valid_end
else_if_not_valid:
	li	$v0, 4			#printf("Illegal index\n");
	la	$a0, illegal_output
	syscall
if_valid_end:


	li	$v0, 0			#return 0
        jr	$ra

	.data
values:
	.word	0:10
illegal_output:
	.asciiz "Illegal index\n"