// Define pins for the LEDs and button
const int redPin = 9; // Red LED
const int greenPin = 10; // Green LED
const int buttonPin = 2; // Button
const int YellowPin = 8; // Yellow LED
const int BluePin = 7; // Blue Pin

// Setup function runs once at the beginning of the program
void setup() {
  // Set the button pin as input with an internal pull-up resistor
  pinMode(buttonPin, INPUT_PULLUP);
  // Turn on the green LED pin
  digitalWrite(greenPin, HIGH);
  // Make sure that the red LED pin is off
  digitalWrite(redPin, LOW);
}

// Loop function runs continuously after the setup function
void loop() {
  // Check if the button is pressed
  if (digitalRead(buttonPin) == LOW) {
    // Turn on the red light and wait for 5 seconds
    delay(5000);
    // Turn off the green light and turn on the yellow light for 3 seconds
    digitalWrite(greenPin, LOW);
    digitalWrite(YellowPin, HIGH);
    delay(3000);
    // Turn off the yellow light and turn on the red and blue lights for 5 seconds
    digitalWrite(YellowPin, LOW);
    digitalWrite(redPin, HIGH);
    digitalWrite(BluePin, HIGH);
    delay(5000);
    // Flash the blue light on and off five times with one second delay between each flash
    digitalWrite(BluePin, LOW);
    delay(1000);
    digitalWrite(BluePin, HIGH);
    delay(1000);
    digitalWrite(BluePin, LOW);
    delay(1000);
    digitalWrite(BluePin, HIGH);
    delay(1000);
    digitalWrite(BluePin, LOW);
    delay(1000);
    digitalWrite(BluePin, HIGH);
    delay(1000);
    digitalWrite(BluePin, LOW);
    delay(1000);
    digitalWrite(BluePin, HIGH);
    delay(1000);
    digitalWrite(BluePin, LOW);
    delay(1000);   // Turn off the red and blue lights and turn on the green light
    digitalWrite(redPin, LOW);
    digitalWrite(BluePin, LOW);
    digitalWrite(greenPin, HIGH);
  }
  else // If the button is not pressed, turn on the green light
   digitalWrite(greenPin, HIGH);
}