const int buttonPin = 2;
const int ledPin2 =  4;
int count = 0;
bool lastButtonState;
int buttonState = 0;
void setup() {
    pinMode(ledPin2, OUTPUT);
  pinMode(buttonPin, INPUT);
}

void loop() {
 buttonState = digitalRead(buttonPin);
   if (buttonState == HIGH && lastButtonState == LOW) {
    lastButtonState = buttonState;
    count++;
  }
    else {
     lastButtonState = buttonState;
     digitalWrite(ledPin2, LOW);  }
     if (count >= 4) {
     count = 0; }

      if (count == 1) {
       digitalWrite(ledPin2, LOW); }
     else {
     digitalWrite(ledPin2, LOW);}

        if (count == 2) {
         digitalWrite(ledPin2,HIGH);
          delay(1000);
           digitalWrite(ledPin2,LOW); }
         else {
          digitalWrite(ledPin2, LOW);
 }
   if (count == 3) {
     digitalWrite(ledPin2, HIGH); }
   else {
    digitalWrite(ledPin2, LOW);
 }
}