// Pin 13 has an LED connected on most Arduino boards.
// give it a name:
int ledRed = 13;
int ledGreen = 12;
int ledBlue = 11;
int switchPin = 0;
int switchState = LOW;
// the setup routine runs once when you press reset:
void setup() {
  // initialize the digital pin as an output.
  pinMode(ledRed, OUTPUT);
  pinMode(switchPin, INPUT);
}

// the loop routine runs over and over again forever:
void loop() {
  switchState = digitalRead(switchPin);
  if (switchState == LOW) { delayTime = 500; } else { delayTime = 250; }
  digitalWrite(ledRed, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(delayTime);               // wait for a second
  digitalWrite(ledRed, LOW);    // turn the LED off by making the voltage LOW
  digitalWrite(ledGreen, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(delayTime);               // wait for a second
  digitalWrite(ledGreen, LOW);    // turn the LED off by making the voltage LOW
  digitalWrite(ledBlue, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(delayTime);               // wait for a second
  digitalWrite(ledBlue, LOW);    // turn the LED off by making the voltage LOW
}