const int led1 = 2;
const int led2 = 3;
const int led3 = 4;
const int led4 = 5;
const int led5 = 6;

const int button1 = 7;
const int button2 = 8;

int currentPosition = 0;

void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  
  pinMode(button1, INPUT_PULLUP);
  pinMode(button2, INPUT_PULLUP);
}

void loop() {
  bool button1State = digitalRead(button1) == LOW;
  bool button2State = digitalRead(button2) == LOW;

  if (button1State) {
    currentPosition = (currentPosition + 1) % 4;
    delay(200);
  } else if (button2State) {
    currentPosition = 0;
    delay(200); 
  }

  switch (currentPosition) {
    case 0:
      digitalWrite(led1, HIGH);
      digitalWrite(led2, HIGH);
      digitalWrite(led3, LOW);
      digitalWrite(led4, LOW);
      digitalWrite(led5, LOW);
      break;
    case 1:
      digitalWrite(led1, LOW);
      digitalWrite(led2, HIGH);
      digitalWrite(led3, HIGH);
      digitalWrite(led4, LOW);
      digitalWrite(led5, LOW);
      break;
    case 2:
      digitalWrite(led1, LOW);
      digitalWrite(led2, LOW);
      digitalWrite(led3, HIGH);
      digitalWrite(led4, HIGH);
      digitalWrite(led5, LOW);
      break;
    case 3:
      digitalWrite(led1, LOW);
      digitalWrite(led2, LOW);
      digitalWrite(led3, LOW);
      digitalWrite(led4, HIGH);
      digitalWrite(led5, HIGH);
      break;
  }
}