#define lamp1Pin 2 
#define lamp2Pin 3 
#define lamp3Pin 4 

#define rgbPinB 5
#define rgbPinG 6
#define rgbPinR 7



boolean isFirstLampOn = true; 

void setup() {
    // put your setup code here, to run once:
  pinMode(lamp1Pin, OUTPUT);
  pinMode(lamp2Pin, OUTPUT);
  pinMode(lamp3Pin, OUTPUT);
  pinMode(rgbPinR, OUTPUT);
  pinMode(rgbPinG, OUTPUT);
  pinMode(rgbPinB, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:

  if (isFirstLampOn) {
    digitalWrite(lamp1Pin, HIGH);
    delay(1000);
    digitalWrite(lamp1Pin, LOW);
    delay(1000);
    isFirstLampOn = false;  
  } 

  else 
  {

    digitalWrite(lamp2Pin, HIGH);
    analogWrite(rgbPinR, 0);
    analogWrite(rgbPinG, 255);
    analogWrite(rgbPinB, 0);
    delay(1000);
    digitalWrite(lamp2Pin, LOW);
    analogWrite(rgbPinR, 0);
    analogWrite(rgbPinG, 0);
    analogWrite(rgbPinB, 0);
    delay(1000);

    digitalWrite(lamp3Pin, HIGH);
    analogWrite(rgbPinR, 0);
    analogWrite(rgbPinG, 0);
    analogWrite(rgbPinB, 255);
    delay(1000);
    digitalWrite(lamp3Pin, LOW);
    analogWrite(rgbPinR, 0);
    analogWrite(rgbPinG, 0);
    analogWrite(rgbPinB, 0);
    delay(1000);

    digitalWrite(lamp1Pin, HIGH);
    analogWrite(rgbPinR, 255);
    analogWrite(rgbPinG, 0);
    analogWrite(rgbPinB, 0);
    delay(1000);
    digitalWrite(lamp1Pin, LOW);
    analogWrite(rgbPinR, 0);
    analogWrite(rgbPinG, 0);
    analogWrite(rgbPinB, 0);
    delay(1000);

  }
}