using System;

​

public class Program

{

    public static void Main()

    {

        int[] ar = {10, 20, 30};

        int a, b, c, d;

        Console.WriteLine("Enter a b c");

        a = int.Parse(Console.ReadLine());

        b = int.Parse(Console.ReadLine());

        c = int.Parse(Console.ReadLine());

        try

        {

            d = a / (b - c);

            Console.WriteLine("d=" + d);

            Console.WriteLine("arr[1]=" + ar[1]);

            Console.WriteLine("aa[3]=" + ar[3]);

        }

        catch (DivideByZeroException e1)

        {

            Console.WriteLine("b and c must not be equal");

        }

        catch (IndexOutOfRangeException e2)

        {

            Console.WriteLine("accessing array out of Index Exception ");

        }

        catch

        {

            Console.WriteLine("general exception");

        }

        finally

        {

            Console.WriteLine("finally is executed");

        }

    }

}