using System;

public class NestedSwitchCaseProgram

{

    public static void Main()

    {

        int MainVal = 5;

​

        switch (MainVal)

        {

            case 5:

                Console.WriteLine(5);

                //another siwtch

                switch (MainVal - 1)

                {

                    case 4:

                    Console.WriteLine(4);

                    // third switch case

                    switch (MainVal - 2)

                    {

                        case 3:

                        Console.WriteLine(3);

                        break;

                    }

                    break;

                }

                break;

            case 8:

                Console.WriteLine(8);

                break;

            case 9:

                Console.WriteLine(9);

                break;

            default:

                Console.WriteLine(100);

                break;

        }

    }

}