using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Xml;

using System.Xml.Linq;

​

public class Program {

    public static void Main() {

        string dPs = "12/25";

        string[] dP = new string[2];

        dP = dPs.Split('/');

        /*

        string wds = "1,5";

        string[] wd = wds.Split(',');

        int[] iwds = new int[wd.Length];

        for (int i=0; i<wd.Length; i++)

            iwds[i] = Int32.Parse(wd[i]);

        string d;

        DateTime dt;

        for (int i = 1; i < 20; i++) {

            d = "1/" + i.ToString() + "/2023";

            dt = DateTime.Parse(d);

            Console.WriteLine(d + "(" + dt.DayOfWeek.ToString() + "): " + DaysToNext(iwds, dt).ToString());

        }

        */

        /*

        System.DateOnly d;

        d = DateOnly.FromDateTime(DateTime.Today);

        Console.WriteLine("Today: " + d.ToString() + " (" + (int)DateTime.Today.DayOfWeek + ")");

        */

        /*

        string s = "<root><data><item>a</item><item>b</item></data></root>";

        XElement xDoc = XElement.Parse(s);

        Console.WriteLine("Getting data element...");

        XElement data = xDoc.Element("data");

        Console.WriteLine("Getting items...");

        IEnumerable<XElement> its = data.Descendants("items");  // Get nothing

        Console.WriteLine("Checking...");

        if (!its.GetEnumerator().MoveNext()) {

            Console.WriteLine("Empty");

        } else {

            Console.WriteLine("There's something there!");

        }

        */

        DateOnly n;

        n = DateOnly.FromDateTime(DateTime.Now);

        Console.WriteLine(dP[0]);

        Console.WriteLine(dP[1]);

        Console.WriteLine(n.DayNumber.ToString());

    }

    private static int DaysToNext(int[] days, DateTime date) {

        int l = days.Length;

        int[] span = new int[l];

        int c = (int)date.DayOfWeek;

        int d;

        for (int i = 0; i < l; i++) {

            d = days[i] - c;

            span[i] = (d >= 0)?d:(7+d);

        }

        return span.Min();

    }

}