const int pinLed1 = 8;
const int pinLed2 = 3;

void setup() { 
  pinMode(pinLed1, OUTPUT);
  pinMode(pinLed2, OUTPUT);

}

void loop() {
  //put your main code here, to run repeatdly:
  digitalWrite(pinLed1, HIGH);
  delay(300);
  digitalWrite(pinLed1, LOW);
  delay(300);


  digitalWrite(pinLed2, HIGH);
  delay(300);
  digitalWrite(pinLed2, LOW);
  delay(300);
}