#define RED_LED 5    // Red LED connected to pin 5
#define YELLOW_LED 6 // Yellow LED connected to pin 6
#define GREEN_LED 7  // Green LED connected to pin 7

void setup() {
    pinMode(RED_LED, OUTPUT);
    pinMode(YELLOW_LED, OUTPUT);
    pinMode(GREEN_LED, OUTPUT);
}

void loop() {
    // Red light ON
    digitalWrite(RED_LED, HIGH);
    delay(5000);  // Wait 5 seconds
    digitalWrite(RED_LED, LOW);

    // Yellow light ON
    digitalWrite(YELLOW_LED, HIGH);
    delay(2000);  // Wait 2 seconds
    digitalWrite(YELLOW_LED, LOW);
    
    // Green light ON
    digitalWrite(GREEN_LED, HIGH);
    delay(5000);  // Wait 5 seconds
    digitalWrite(GREEN_LED, LOW);
    
    
}