using System;

using System.Linq;

using System.Collections;

using System.Collections.Generic;

using System.IO;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        string bDay = Console.ReadLine();

            DateTime convert = DateTime.ParseExact(bDay,"dd-MM-yyyy",CultureInfo.InstalledUICulture);

            convert = convert.AddDays(999);

            string formatted = convert.ToString("dd-MM-yyyy");

​

​

            Console.WriteLine(formatted);

    }

}

​

​

​