/* Written by Jeff Kaufman : 2005
 *
 * released under the GPL
 *
 */

public class csprb
{
      public static void main(String[] args)
      {
	 if(args.length == 1 && args[0].equals("all"))
	    findAll();
	 else if(args.length == 3)
	 {
	    findSpecific(Integer.parseInt(args[0]),
			 Integer.parseInt(args[1]),
			 Integer.parseInt(args[2]));
	 }
	 else
	 {
	    System.out.println("Usage: ");
	    System.out.println(" java csbrb all");
	    System.out.println(" java csprb 6 7 8");
	    System.out.println("");
	    System.exit(1);
	 }

      }

      public static void findAll()
      {
	 int waysbust;
	 for (int i = 2 ; i <= 12 ; i++)
	    for (int j = 2 ; j <= 12 ; j++)
	       if (j > i)
		  for (int k = 2 ; k <= 12 ; k++)
		     if (k > j)
		     {
			waysbust = findWaysBust(i,j,k);
			System.out.println(waysbust + " : " + i + " " 
					   +  j + " " + k + " : " + 
					   chanceThreeDec(waysbust,6*6*6*6));
		     }
      }

      public static void findSpecific(int a, int b, int c)
      {
	 int ways = 6*6*6*6;
	 int waysbust = findWaysBust(a,b,c);
	
	 System.out.println("\nResults for " + a + " " + b 
			       + " " + c + " " + ":\n"
			    + "  ways to roll four dice: " + ways + "\n"
			    + "  ways to bust          : " + waysbust + "\n"
			    + "  chance of busting     : " +
			    chanceThreeDec(waysbust,ways)
			    + "%\n");
      }

      public static String chanceThreeDec(int waysbust, int ways)
      {
	 return "" + (((int)((waysbust/((double)ways)*100)*1000))/1000.0);
      }

      public static int findWaysBust(int a, int b, int c)
      {
	 int waysbust = 0;

	 for(int i = 1 ; i <= 6 ; i++)
	    for(int j = 1 ; j <= 6 ; j++)
	       for(int k = 1 ; k <= 6 ; k++)
		  for(int l = 1 ; l <= 6 ; l++)
		     waysbust += f(i,j,k,l,a) || f(i,j,k,l,b)
			|| f(i,j,k,l,c) ? 0 : 1;

	 return waysbust;
      }
      public static boolean f(int i, int j, int k, int l, int a)
      {
	 return i + j == a || i + k == a || i + l == a ||
	    j + k == a || j + l == a || k + l == a;
      }
}