using System;

​

public class Program

{

    public static void Main()

    {

        try

        {

            int[] arr = new int[2];

            arr[0] = 1;

            arr[1] = 1;

            arr[2] = 1; 

        }

        catch (System.IndexOutOfRangeException)

        {

            Console.WriteLine("IndexOutOfRangeException Occurs");

        }

        try

        {

            string name = null;

            name.ToUpper(); 

        }

        catch (System.NullReferenceException)

        {

            Console.WriteLine("NullReferenceException Occurs");

        }

        try

        {

            int k = 10;

            Console.WriteLine(k / 0); 

        }

        catch (System.DivideByZeroException)

        {

            Console.WriteLine("DivideByZeroException Occurs");

        }

    }

}