void setup() {
  Serial.begin(9600);

  int bitmask = 0b1101; // Bitmask to represent various options

  // Checking specific options using the bitwise OR operator

  if (bitmask & 0b0100) {
    // Option C is present
    Serial.println(("Option C is present"));
  }

  if (bitmask & 0b1000) {
    // Option D is present
    Serial.println(("Option D is present"));
  }
}

void loop() {
   // Empty loop
}