using System;

using System.IO;

using System.Security.Cryptography;

namespace Rextester{

    public class Program{

        public static void Main(string[] args){

            long a = long.MaxValue;

            ulong  b = (ulong)a + 1;

            long  c = a + 1;

            Console.WriteLine(a + ": " + a.ToString("x"));

            Console.WriteLine(b + ": " + b.ToString("x"));

            Console.WriteLine(c + ": " + c.ToString("x"));

        }

    }

}