fib
{
	@dup
	@not
	@if
		@drop 1
	@else
		@dup
		@i_dec
		@not
		@if
			@drop 1
		@else
			@i_dec
			@dup
			@i_dec
			@fib
			@swap
			@fib
			@i_add
		@endif
	@endif
}

do_fibs
{
	@dup
	@if
		@dup
		@i_dec
		@do_fibs
		@fib
		@print
	@else
		0
	@endif
}

junk
{
	12 @dup @print @fib @print
}


39 @do_fibs