using System;

public class Program

{

    public static void Main()

    {

        /* Q1

​

            Read two strings from the user and compare them. The comparison should ignore a) leading spaces, b) case, and c) trailing spaces. Thus, “ hello World” is equal to “hello wORLD          ”.

            Show “Equal” if the two strings are equal; “Not Equal” otherwise.

            Number of spaces between words matter. */

        string s1, s2;

        Console.WriteLine("First String: ");

        s1 = Console.ReadLine();

        Console.WriteLine("Second String: ");

        s2 = Console.ReadLine();

        if (s1.ToLower().Trim() == s2.ToLower().Trim())

            Console.WriteLine("Strings are Equal");

        else 

            Console.WriteLine("Strings are NOT EQUAL");

        /* Q2

​

            Create a string “Celebrating 200 year of Indiana University”

            Insert “s” after “year”.

            You must use Insert and IndexOf to complete this question.

            Print out the updated string. */

        string s3 = "Celebrating 200 year of Indiana University";

        int i = s3.IndexOf("year") + 4;

        s3 = s3.Insert(i, "s");

        Console.WriteLine(s3);

    }

}