using System;

public class Program

{

    public static void Main()

    {string s1 = "Николета"; string s2 = "НиКолета";

     Console.WriteLine(s1.CompareTo(s2));

     Console.WriteLine(s2.CompareTo(s1));

     Console.WriteLine(s1.CompareTo(s1));

     Console.WriteLine(string.Compare(s1,s2,true));

     Console.WriteLine(string.Compare(s1,s2,StringComparison.CurrentCultureIgnoreCase));

    }

}