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

int pRed = 6;
int pGreen = 5;

int button = 7;

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

void loop() {
  digitalWrite(pRed, HIGH);
  digitalWrite(green, HIGH);

  if(digitalRead(button) == LOW){
    for (int i = 0; i < 1; i++) {
      digitalWrite(green, LOW);
      digitalWrite(pRed, LOW);

      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);

      delay(500);

      digitalWrite(pGreen, LOW);
      digitalWrite(pRed, HIGH);  
      digitalWrite(yellow, LOW);
      
   }
 }
}