const int PHOTORESISTOR= A0 ;
const int WHITELED = 2 ;
const int REDLED = 3 ;
void setup() {
 pinMode(WHITELED, OUTPUT);
 pinMode(REDLED, OUTPUT);
 Serial.begin(9600);

}

void loop() {
  int sensorValue = analogRead(PHOTORESISTOR);

  Serial.print("Analog Value");
  Serial.println(sensorValue);

  if (sensorValue > 500){
    digitalWrite(WHITELED, HIGH);
  } else{
    digitalWrite(WHITELED, LOW);
  }

  if (sensorValue < 500) {
    digitalWrite(REDLED, HIGH);
  } else {
    digitalWrite(REDLED, LOW);
  }
}