void setup() {
  // put your setup code here, to run once:
  pinMode(8, OUTPUT);
  pinMode(7, OUTPUT);
  
  
}

void loop() {
  int num = 2;

  // put your main code here, to run repeatedly:
  if (num == 1){
    digitalWrite(8, HIGH);//turn on 
    delay(1000);
    digitalWrite(8, LOW);
    delay(1000);
  }
  else if (num == 0){
    digitalWrite(7, HIGH);//turn on 
    delay(5000);
    digitalWrite(7, LOW);
    delay(1000);
  }

}