#define LED 9
int MODER = 0;

void setup() {
  
pinMode(LED, OUTPUT);

  
  }

void loop() {
  
  

if (MODER % 3 == 0);
{
  digitalWrite(LED, HIGH);
  delay(500);
  }
 
 if (MODER % 3 != 0)
{
  digitalWrite(LED, LOW);
  delay(500);
  }
 else
 {
    digitalWrite(LED, HIGH);
    delay(200);
    digitalWrite(LED, LOW);
 }

    delay(600);
    MODER = MODER+1;
}