class TowersOfHanoi {

  public static void move(int N, char src, char destn,
			  char intermediate) {
    if(N == 1) {
      System.out.println("    Move "+src+" to " +destn);
      return;
    }

    move(N-1, src, intermediate, destn);
    System.out.println("    Move "+src+" to "+destn);
    move(N-1, intermediate, destn, src);
  } // End move()

  public static void main(String[] args) {
    int N = Integer.parseInt(args[0]);
    move(N, 'A', 'C', 'B');
  } // End main()

} // End class TowersOfHanoi