// https://wokwi.com/projects/411961025337951233

// Name:    Lamcheuk  
// No.:     240001390
// Class:   EG114403/1A
// Program: 1A_Ex2_Q1_Lamcheuk.ino 
void setup() {
  Serial.begin(115200);  // Start Serial communication
  Serial.println("Enter a digit (0-9):");  // Prompt user for input
}

void loop() {
  if (Serial.available() > 0) {  // Check if data is available to read
    char input = Serial.read();  // Read the input character

    // Use switch to determine the output based on the input
    switch (input) {
      case '0':
        Serial.println("ZERO");
        break;
      case '1':
        Serial.println("ONE");
        break;
      case '2':
        Serial.println("TWO");
        break;
      case '3':
        Serial.println("THREE");
        break;
      case '4':
        Serial.println("FOUR");
        break;
      case '5':
        Serial.println("FIVE");
        break;
      case '6':
        Serial.println("SIX");
        break;
      case '7':
        Serial.println("SEVEN");
        break;
      case '8':
        Serial.println("EIGHT");
        break;
      case '9':
        Serial.println("NINE");
        break;
      default:
        Serial.println("Invalid input! Please enter a digit (0-9).");
    }
  }
}