const int buttonpin = 15;
const int ledcoun = 3;
int ledPins[] = {5, 18, 19};
int CurrentLed = 0;


bool buttonState = false;
bool lastButtonState = false;

void setup() {
  Serial.begin(115200);
  pinMode(buttonPin, INPUT);
  for (int i = 0; i < ledCount; i++) {
   pinMode(ledPins[i], OUTPUT);

      }

  Serial.println("Hello, ESP32!");
}

void loop() {
    buttonState = digitalRead(buttonPin);
  if (buttonState == HIGH && lastButtonState == LOW) {
    digitalWrite(ledPins[currentLed], LOW);
        currentLed = (currentLed + 1) % ledCount;
    digitalWrite(ledPins[currentLed], HIGH);


  // put your main code here, to run repeatedly:
  delay(200); // this speeds up the simulati