using System;

public class Example
{
   public static void Main()
   {
      Random rnd = new Random();
      int caseSwitch = rnd.Next(1,4);
      
      switch (caseSwitch)
      {
          case 1:
              Console.WriteLine("Case 1");
              break;
          case 2:
          case 3:
              Console.WriteLine($"Case {caseSwitch}");
              break;
          default:
              Console.WriteLine($"An unexpected value ({caseSwitch})");
              break;
      }
   }
}
// The example displays output like the following:
//       Case 1