void setup() {
  // put your setup code here, to run once:
  pinMode(13, OUTPUT);    // sets the digital pin 13 as output
  pinMode(7, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  // digitalWrite(13, HIGH); // sets the digital pin 13 on
  // delay(1000);            // waits for a second
  // digitalWrite(13, LOW);  // sets the digital pin 13 off
  // delay(1000);            // waits for a second
  
  // digitalWrite(7, HIGH); // sets the digital pin 7 on
  // delay(1000);            // waits for a second
  // digitalWrite(7, LOW);  // sets the digital pin 7 off
  // delay(1000);            // waits for a second

  digitalWrite((13, HIGH);
}