int inputA = 0;
int inputB = 0;
bool inputAReceived = false;

void setup() {
  Serial.begin(115200);
  Serial.println("Assignment: Serial Addition");
}

void loop() {
  if (!inputAReceived) {
    Serial.println("Input A:");
    while (!Serial.available()); // Menunggu sampai data tersedia
    inputA = readIntFromSerial(); // Membaca input A
    Serial.println(inputA); 
    inputAReceived = true;
  } else {
    Serial.println("Input B:");
    while (!Serial.available()); // Menunggu sampai data tersedia
    inputB = readIntFromSerial(); // Membaca input B
    Serial.println(inputB); 

    int total = inputA + inputB;
    Serial.print("Total (");
    Serial.print(inputA);
    Serial.print(" + ");
    Serial.print(inputB);
    Serial.print(") = ");
    Serial.println(total);

    // Reset kondisi untuk input berikutnya
    inputAReceived = false;
  }

  delay(5000);
}

int readIntFromSerial() {
  String inputString = "";
  while (true) {
    if (Serial.available() > 0) {
      char c = Serial.read();
      if (c == '\n') break;
      inputString += c;
    }
  }
  return inputString.toInt();
}