void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  // Wait for 3 seconds to ensure serial connection
  delay(3000);

  // Print a prompt to the Serial Monitor
  Serial.println("Please enter two numbers separated by space:");
}

void loop() {
  // Check if there is any serial input available
  if (Serial.available() > 0) {
    // Read in two integers from the Serial Monitor
    int num1 = Serial.parseInt();
    int num2 = Serial.parseInt();

    // Print the numbers to the Serial Monitor
    Serial.print("First number: ");
    Serial.println(num1);
    Serial.print("Second number: ");
    Serial.println(num2);

    // Prompt for another two numbers
    Serial.println("Please enter two more numbers separated by space:");
  }
}