int greenLED = 12;
int yellowLED = 10;
int redLED = 13;
int purpleLED = 11;

void setup() {
  pinMode(greenLED, OUTPUT);
  pinMode(yellowLED, OUTPUT);
  pinMode(redLED, OUTPUT);
  pinMode(purpleLED, OUTPUT);
}

int timeDelay = 1000;
void loop() {
  for(int i=1; i<=5; i++){
  digitalWrite(10, HIGH); 
  digitalWrite(11, HIGH); 
  digitalWrite(12, HIGH); 
  digitalWrite(13, HIGH); 
  delay(500);             
  digitalWrite(10, LOW); 
  digitalWrite(11, LOW); 
  digitalWrite(12, LOW); 
  digitalWrite(13, LOW); 
  delay(500);           
  }
   delay(timeDelay);

  for(int i=1; i<=5; i++){ 

  digitalWrite(10, HIGH); 
  digitalWrite(11, HIGH); 
  digitalWrite(12, HIGH); 
  delay(500);             
  digitalWrite(10, LOW);
  digitalWrite(11, LOW); 
  digitalWrite(12, LOW); 
  delay(500);           
  }

  for(int i=1; i<=5; i++){
  digitalWrite(10, HIGH); 
  digitalWrite(11, HIGH); 
  delay(500);             
  digitalWrite(10, LOW); 
  digitalWrite(11, LOW); 
  delay(500);           
  }

  for(int i=1; i<=5; i++){
  digitalWrite(10, HIGH);
  delay(500);            
  digitalWrite(10, LOW); 
  delay(500);           
 }}