public int run(PrintWriter out, String[] args)
 	{ 
 	   int numRings = Integer.parseInt(args[1]);
 	   if (numRings<1) return(ILLEGAL_PARAMETER);
 	
 	   out.println(args[0]+ ": With " + numRings + " rings");
 	  
 	   doTowers(out,numRings, 'A', 'B', 'C');
 	   
 	   return SUCCESS;
 	}