using System;

public class Program

{

    public class IntegerWrapper

    {

        public int Number { get; set; }

    }

    public static void Main()

    {

        //First case: what is the value of the number variable?

        int number = getNumber();

​

        //Second case: what is the value of a second number and of a third number

        IntegerWrapper iw = new IntegerWrapper();

        int secondNumber = getSecondNumber(iw);

        int thirdNumber = iw.Number;

    }

    public static int getNumber()

    {

        int number = 1;

​

        try

        {

            number = 10;

            throw new OverflowException();

​

            return number;

        }

        catch (InvalidCastException e)

        {

            return 2 * number;

        }

        catch (OverflowException ex)

        {

            return 3 * number;

        }

        catch (Exception exe)

        {

            return 4 * number;

        }            

        finally

        {

            number *= 5;

        }

    }

    public static int getSecondNumber(IntegerWrapper iw)

    {

        iw.Number = 1;

​

        try

        {

            iw.Number = 10;

            throw new OverflowException();

​

            return iw.Number;

        }

        catch (InvalidCastException e)

        {

            return 2 * iw.Number;

        }

        catch (OverflowException ex)

        {

            return 3 * iw.Number;

        }

        catch (Exception exe)

        {

            return 4 * iw.Number;

        }            

        finally

        {

            iw.Number *= 5;

        }

    }

}