.text
main:
	lb	$t0, letter	#letter--;
	sub	$t0, $t0, 1
	sb	$t0, letter
	
	li	$v0, 11		# printf("%c", letter);
	move 	$a0, $t0
	syscall

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

	li	$v0, 0
	jr 	$ra

	.data
letter:
	.byte 'B'		#char letter = 'B';