// Pin definitions
const int switchPin1 = 2;
const int switchPin2 = 4;
const int ledPin1 = 5;
const int ledPin2 = 18;

void setup() {
  pinMode(switchPin1, INPUT_PULLUP);
  pinMode(switchPin2, INPUT_PULLUP);
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);

  // Turn off the LEDs initially
  digitalWrite(ledPin1, LOW);
  digitalWrite(ledPin2, LOW);
}

void loop() {
  int switches = 0;
  switches |= digitalRead(switchPin1) << 0;
  switches |= digitalRead(switchPin2) << 1;

  if (switches & (1 << 0)) {
    digitalWrite(ledPin1, HIGH);
  } else {
    digitalWrite(ledPin1, LOW);
  }

  if (switches & (1 << 1)) {
    digitalWrite(ledPin2, HIGH);
  } else {
    digitalWrite(ledPin2, LOW);
  }
}