-BLOCKS
	print('a')
	output =

	na = node('a')
	output = datatype(na)
	print(na)
	output =

	ab = 'a' % 'b'
	output = datatype(ab)
	print(ab)
	output =

	xo = 'x' # 'o'
	output = datatype(xo)
	print(xo)
end