//1. Please write a C# Program to display and compare today and yesterday.

​

using System;

​

public class HelloWorld

{

    public static void Main(string[] args)

    {

        Console.Write("Enter the first binary number: ");

        string binary1 = Console.ReadLine();

​

        Console.Write("Enter the second binary number: ");

        string binary2 = Console.ReadLine();

​

        try

        {

            int num1 = Convert.ToInt32(binary1, 2);

            int num2 = Convert.ToInt32(binary2, 2);

​

            int result = num1 * num2;

​

            string binaryResult = Convert.ToString(result, 2);

​

            Console.WriteLine("Result in binary: " + binaryResult);

        }

        catch(FormatException ex)

        {

            Console.WriteLine("Please enter binary number in form of 0 and 1 only. Exception is:"+ex.Message);

        }

        catch(ArgumentException ex)

        {

            Console.WriteLine("Please enter binary number in form of 0 and 1 only without any sign. Exception is:"+ex.Message);

        }

        catch(Exception ex)

        {

            Console.WriteLine(ex);

        }

    }

}