public class SeqTraduit {
  public static void main(String []a) {
    int instruction = 1;
    while (true) {
      switch(instruction) {
      case 1:
        System.out.println("Bonjour");
        instruction++;
        break;
      case 2:
        System.out.println("Au revoir");
        instruction++;
        break;
      case 3:
        System.exit(0);
        break;
      } // fin switch
    } // fin while
  } // fin main
} // fin class