#include <iostream>
using namespace std;


string message_goodbye(string name, int message = 1) {
  string full_message;
  switch(message){
    case 1:
      full_message = "Goodbye, " + name + "!";
      break;
    case 2:
      full_message = "Bye, " + name + "!";
      break;
    case 3:
      full_message = "See you later, " + name + "!";
      break;
    case 4:
      full_message = "See you soon, " + name + "!";
      break;
    case 5:
      full_message = "Until next time, " + name + "!";
      break;
    default:
      full_message = "Not a valid message option";
  }
  return full_message;
}

int main() {
  cout << message_goodbye("Alice") << endl; 
  cout << message_goodbye("Bob", 2) << endl;
  return 0;
}