import stdlib as std
use 'stdlib.sx'

class LogicGate:
	@virtual
	def get_state(): bool

	@virtual
	def set_state(bool state):

class And(LogicGate):
	LogicGate* i0, i1

	def get_state(): bool
		return self.i0 and self.i1

	def set_state(bool state):
		pass

def main(): i32
	And* and_0 = new And()

	and_0.i0 = new Input()
	and_0.i1 = new Input()

	and_0.i0.set_state(0)
	and_0.i1.set_state(0)
	print("%b & %b = %b\n" %(and_0.i0, and_0.i1, and_0.get_state()))

	and_0.i0.set_state(0)
	and_0.i1.set_state(1)
	print("%b & %b = %b\n" %(and_0.i0, and_0.i1, and_0.get_state()))

	and_0.i0.set_state(1)
	and_0.i1.set_state(0)
	print("%b & %b = %b\n" %(and_0.i0, and_0.i1, and_0.get_state()))

	and_0.i0.set_state(1)
	and_0.i1.set_state(1)
	print("%b & %b = %b\n" %(and_0.i0, and_0.i1, and_0.get_state()))