#define RED  1
#define YELLOW  5
#define GREEN  9

void setup() {
  // put your setup code here, to run once:
pinMode(RED, OUTPUT);
pinMode(YELLOW, OUTPUT);
pinMode(GREEN, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(RED, HIGH);
digitalWrite(YELLOW, LOW);
digitalWrite(GREEN, LOW);
delay(4500);

digitalWrite(YELLOW, HIGH);
digitalWrite(RED, LOW);
digitalWrite(GREEN, LOW);
delay(550);

digitalWrite(GREEN, HIGH);
digitalWrite(RED, LOW);
digitalWrite(YELLOW, LOW);
delay(2500);

}