int green = 9;
int yellow = 10;
int red = 11;

int pRed = 6;
int pGreen = 5;

void setup() {
   pinMode(green, OUTPUT);
   pinMode(red, OUTPUT);
   pinMode(yellow, OUTPUT);
   pinMode(pRed, OUTPUT);
   pinMode(pGreen, OUTPUT);
}

void loop() {
  digitalWrite(red, HIGH);
  digitalWrite(pGreen, HIGH);

  delay(4000);
  
  digitalWrite(pGreen, LOW);
  delay(500);
  digitalWrite(pGreen, HIGH);
  delay(500);
  digitalWrite(pGreen, LOW);
  delay(500);
  digitalWrite(pGreen, HIGH);

  
  digitalWrite(yellow, HIGH); 
  
  delay(500);
  
  digitalWrite(red, LOW);
  digitalWrite(pGreen, LOW);
   digitalWrite(pRed, HIGH);
  
  delay(2000);
  
  digitalWrite(yellow, LOW);
  digitalWrite(green, HIGH);


  delay(4000);
  
  digitalWrite(green, LOW);
  digitalWrite(pRed, LOW);

}