const int ledPin1 = 19;
const int ledPin2 = 18;
const int ledPin3 = 5;
const int ledPin4 = 17;
const int ledPin5 = 2;
const int button = 25;
int buttonState = 0;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(ledPin4, OUTPUT);
  pinMode(ledPin5, OUTPUT);
  pinMode(button, INPUT);

}

void loop() {
  buttonState = digitalRead(button);
  if (buttonState == HIGH) {
    digitalWrite(ledPin1, HIGH);
    digitalWrite(ledPin1, LOW);
    delay(2000);
    digitalWrite(ledPin2, HIGH);
    digitalWrite(ledPin2, LOW);
    delay(2000);
    digitalWrite(ledPin3, HIGH);
    digitalWrite(ledPin3, LOW);
    delay(2000);
    digitalWrite(ledPin4, HIGH);
    digitalWrite(ledPin4, LOW);
    delay(2000);
    digitalWrite(ledPin5, HIGH);
    digitalWrite(ledPin5, LOW);
    delay(2000);
  } else {
    digitalWrite(ledPin1, LOW);
    digitalWrite(ledPin2, LOW);
    digitalWrite(ledPin3, LOW);
    digitalWrite(ledPin4, LOW);
    digitalWrite(ledPin5, LOW);
  }
}