using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

​

namespace DifferenceBetweenDates

{

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Program that enters two dates in format dd.MM.yyyy and returns the number of days between them.");

            Console.WriteLine("Enter first date: ");

            DateTime firstDate = DateTime.Parse(Console.ReadLine());

            Console.WriteLine("Enter second date: ");

            DateTime secondDate = DateTime.Parse(Console.ReadLine());

            TimeSpan difference = secondDate - firstDate;

            Console.WriteLine("The number of day between {0} and {1} is {2} days.", firstDate, secondDate, difference.Days);

        }

    }

}

​