const int buttonPin = 18;  
const int ledPin = 14;   

int buttonState = 0;      
int buttonPressCount = 0;  
bool ledState = LOW;       
bool buttonPressed = false; 

void setup() {
  pinMode(ledPin, OUTPUT);     
  pinMode(buttonPin, INPUT_PULLUP);
}

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

  if (buttonState == LOW && !buttonPressed) {
    buttonPressed = true;
    delay(50); 
    buttonState = digitalRead(buttonPin); 

    if (buttonState == LOW) {
      buttonPressCount++; 
      if (buttonPressCount >= 3) {
        toggleLED();
        buttonPressCount = 0; 
      }
    }
  } else if (buttonState == HIGH && buttonPressed) {
    buttonPressed = false;
  }
}

void toggleLED() {
  ledState = !ledState;    
  digitalWrite(ledPin, ledState);  
}