// Towers of Hanoi program
// command line argument is number of disks to be moved

public class towerwithcount
{
public  static void tower(char from, char to, char spare, int disk)
{  if (disk>0){
      tower(from, spare, to,disk-1);
      count++;
      System.out.println("move disk " + disk + " from " + from + " to " + to);
      tower(spare, to , from, disk-1);
   }
}
    static int count=0;
public static void main(String[] args)
{
 
   int disk,i;
   disk=Integer.parseInt(args[0]);
   System.out.println("Towers of Hanoi for " + disk + " disks:");
   tower('A','B','C',disk);
   System.out.println("Number of moves = " + count);

}
}