using System;
using System.Globalization;
using System.Linq;

public class Test
{
	public static void Main()
	{
	        TimeSpan ts = TimeSpan.FromDays(15791);
            DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).Add(ts);
            Console.WriteLine(epoch);
	}
}