void setup() {
  // put your setup code here, to run once:
  #define BLUE_LED  1
  #define GREEN_LED 2
  #define RED_LED   3
  pinMode(RED_LED, OUTPUT);
  pinMode(GREEN_LED, OUTPUT);
  pinMode(BLUE_LED, OUTPUT);
}

void loop() {
  digitalWrite(RED_LED,HIGH);
  digitalWrite(BLUE_LED,HIGH);
  delay(1000);
  digitalWrite(RED_LED,LOW);
  digitalWrite(BLUE_LED,LOW);
  delay(1000);

  digitalWrite(GREEN_LED,HIGH);
  digitalWrite(BLUE_LED,HIGH);
  delay(1000);
  digitalWrite(GREEN_LED,LOW);
  digitalWrite(BLUE_LED,LOW);
  delay(1000);

  digitalWrite(GREEN_LED,HIGH);
  digitalWrite(RED_LED,HIGH);
  delay(1000);
  digitalWrite(GREEN_LED,LOW);
  digitalWrite(RED_LED,LOW);
  delay(1000);


  digitalWrite(GREEN_LED,HIGH);
  digitalWrite(RED_LED,HIGH);
  digitalWrite(BLUE_LED,HIGH);
  delay(1000);
  digitalWrite(GREEN_LED,LOW);
  digitalWrite(RED_LED,LOW);
  digitalWrite(BLUE_LED,LOW);
  delay(1000);

  // put your main code here, to run repeatedly:

}