using System;

public class Program

{

    public static void Main()

    {

        var foo = 5;

        HandleFoo(foo);

    }

    private static void HandleFoo(int foo)

    {

        switch(foo) 

        {     

           case 3:     

           {             

               Console.WriteLine("Something"); 

           }break;          

​

           case 4:     

           {             

               Console.WriteLine("Something else");

           }break;      

​

           case 5:     

           {             

               HandleFoo(3);

               HandleFoo(4);

           }break;      

        }

    }

}