const int ledRed = 14;
const int ledOrange = 27;
const int ledGreen = 26;
  
// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin ledPin as an output.
  pinMode(ledRed, OUTPUT);
  pinMode(ledOrange, OUTPUT);
  pinMode(ledGreen, OUTPUT);
}

// the loop function runs over and over again forever
void loop() {
  digitalWrite(ledRed, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(1000);                      // wait for a second
  digitalWrite(ledRed, LOW);   // turn the LED off by making the voltage LOW
  delay(1000);                      // wait for a second
    digitalWrite(ledOrange, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(2000);                      // wait for a second
  digitalWrite(ledOrange, LOW);   // turn the LED off by making the voltage LOW
  delay(2000);                      // wait for a second
    digitalWrite(ledGreen, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(3000);                      // wait for a second
  digitalWrite(ledGreen, LOW);   // turn the LED off by making the voltage LOW
  delay(3000);                      // wait for a second
}