void setup() {
	pinMode(0, OUTPUT);
	pinMode(1, OUTPUT);
	analogReadResolution(8);
}

void loop() {
	int light = random(0, 2);
	delay(1000);
	digitalWrite(light, HIGH);
	delay(1000);
	digitalWrite(light, LOW);
	while (analogRead(A0) < 240 && analogRead(A1) < 240);
	int correct = (analogRead(A0) < 128) ^ light;
	for (int i = 0; i < 4; ++i) {
		digitalWrite(correct, HIGH);
		delay(200);
		digitalWrite(correct, LOW);
		delay(200);
	}
}