#define haha 13
#define hihi 12
#define hehe 11
#define huhu 10

void setup() {

  // put your setup code here, to run once:
       pinMode(haha, OUTPUT);
       pinMode(hihi, OUTPUT);
       pinMode(hehe, OUTPUT);
       pinMode(huhu, OUTPUT);
}
    
void loop() {
  // put your main code here, to run repeatedly:
     
    
     digitalWrite(haha, HIGH);
     delay(500);
     digitalWrite(haha, LOW);

     digitalWrite(hihi, HIGH);
     delay(500);
     digitalWrite(hihi, LOW);

     digitalWrite(hehe, HIGH);
     delay(500);
     digitalWrite(hehe, LOW);

     digitalWrite(huhu, HIGH);
     delay(500);
     digitalWrite(huhu, LOW);

    digitalWrite(huhu, HIGH);
     delay(1000);
     digitalWrite(huhu, LOW);

     digitalWrite(hehe, HIGH);
     delay(1000);
     digitalWrite(hehe, LOW);

      digitalWrite(hihi, HIGH);
     delay(1000);
     digitalWrite(hihi, LOW);

     digitalWrite(haha, HIGH);
     delay(1000);
     digitalWrite(haha, LOW);
     
     
}