const int fastBlinkLedPin = 13;
const int slowBlinkLedPin = 8;


const long fastBlinkInterval = 500; 
const long slowBlinkInterval = 1500; 

void setup() {
  pinMode(fastBlinkLedPin, OUTPUT);
  pinMode(slowBlinkLedPin, OUTPUT);
}

void loop() {
  for (int i = 0; i < 5; i++) {
    digitalWrite(fastBlinkLedPin, HIGH); 
    delay(fastBlinkInterval / 2); 
    digitalWrite(fastBlinkLedPin, LOW); 
    delay(fastBlinkInterval / 2); 
  }
  for (int i = 0; i < 3; i++) {
    digitalWrite(slowBlinkLedPin, HIGH); 
    delay(slowBlinkInterval / 2); 
    digitalWrite(slowBlinkLedPin, LOW); 
    delay(slowBlinkInterval / 2);
  }
  delay(1000); 
}