// Definisikan nomor pin
const int led1 = 8;
const int led2 = 9;
const int button1 = 2;
const int button2 = 3;
const int button3 = 4;

void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(button1, INPUT_PULLUP);
  pinMode(button2, INPUT_PULLUP);
  pinMode(button3, INPUT_PULLUP);
}

void loop() {
  if (digitalRead(button1) != HIGH) {
    digitalWrite(led1, HIGH); // Nyalakan LED1
    digitalWrite(led2, LOW);  // Pastikan LED2 mati
  }
                                                
  if (digitalRead(button2) != HIGH) {
    digitalWrite(led1, HIGH); // Nyalakan LED1
    digitalWrite(led2, HIGH); // Nyalakan LED2
    }
                                                                            
  if (digitalRead(button3) != HIGH) {
    digitalWrite(led1, LOW); // Matikan LED1
    digitalWrite(led2, LOW); // Matikan LED2 
    }
}