public class Mswitch {

   public static void main (String[] param) {

      if (param.length == 0)
         throw new RuntimeException 
            ("  Command line parameter expected: month");
      int month = Integer.parseInt (param [0]);

      System.out.print ("You have to wait ");

      switch (month) {
         case 1:
            System.out.print ("January, ");
         case 2:
            System.out.print ("February, ");
         case 3:
            System.out.print ("March, ");
         case 4:
            System.out.print ("April, ");
         case 5:
            System.out.print ("May, ");
         case 6:
            System.out.print ("June, ");
         case 7:
            System.out.print ("July, ");
         case 8:
            System.out.print ("August, ");
         case 9:
            System.out.print ("September, ");
         case 10:
            System.out.print ("October, ");
         case 11:
            System.out.print ("November and ");
         case 12:
            System.out.print ("December ");
         default:
            System.out.println ("before the Santa Claus comes.");
      }

   } // main

} // Mswitch