int button = 2;
int buttonState = 0;
int g = 13;
int o = 12;
int r = 11;

void setup() {
  // put your setup code here, to run once:
  pinMode(button, INPUT);
  pinMode(g, OUTPUT);
  pinMode(o, OUTPUT);
  pinMode(r, OUTPUT);
}

void loop() {
  buttonState = digitalRead(button);

  digitalWrite(g, HIGH);
  delay(1000);
  digitalWrite(g, LOW);

  digitalWrite(o, HIGH);
  delay(1000);
  digitalWrite(o, LOW);

  digitalWrite(r, HIGH);
  delay(1000);
  digitalWrite(r, LOW);


  if (buttonState == HIGH) {
    digitalWrite(o, HIGH);
    digitalWrite(g, LOW);
    digitalWrite(r, LOW);
    delay(1000);

    digitalWrite(o, LOW);
    digitalWrite(g, LOW);
    digitalWrite(r, HIGH);
    delay(3000);
  }

}