using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine((new DateTime(1, 1, 1)).AddMilliseconds(Math.Pow(2, 42) - 1).Year);

        Console.WriteLine((new DateTime(1, 1, 1)).AddMilliseconds(Math.Pow(2, 41) - 1).Year);

    }

}