using System;
using System.Collections.Generic;
using System.Linq;

namespace ProgramConsole
{
    public class Program
    {
        public static void Main(string[] args)
        {
            string a = "aa";
            string b = "bb";

            if(b.CompareTo(a) > 0)
            {
                Console.WriteLine("b is greater than a");
            }
            else if(b.CompareTo(a) < 0)
            {
                Console.WriteLine("b is less than a");
            }
            else
            {
                Console.WriteLine("b is equal a");
            }
        }
    }
}