using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please enter a sentence:");

        string firststring = Console.ReadLine();

        Console.WriteLine("Please enter a second sentence:");

        string secondstring = Console.ReadLine();

        firststring = firststring.ToLower();

        secondstring = secondstring.ToLower();

        firststring = firststring.Trim();

        secondstring = secondstring.Trim();

        int result = string.Compare(firststring,secondstring);

        if (result == 0)

        {

            Console.WriteLine("These two strings are equal.");

        }

        else

        {

            Console.WriteLine("These two strings are not equal.");

        }

    }

}