using System;

public class Program

{

    public static void Main()

    {

        //Exception  is event or unwantented behaviour which interupt the normal application 

        //exception can be handled using try catch block

        //try block is block where we can expect the exception

        Console.WriteLine("Hello World");

        // int i= Program.devide(20,10);

        // int i= Program.devide(20,0); //this the blok where exception can occcure

        //handling exception

        try

        {

            int i= Program.devide(20,0);

            Console.WriteLine(i);

        }

        catch(Exception ex)

        {

            //Console.WriteLine("Error occured");

            Console.WriteLine(ex.Message); //we can also use exception properties to show msg

        }

        Console.WriteLine("Thank you");

    }

    public static int devide(int num1,int num2)

    {

        int output=num1/num2;

        return output;

    }

}