using System;

​

public class Program

{

    public static void Main()

    {

        int fromDays = 20;

        int toDays = 19;

        string ExtendedDays = "1"; 

        DateTime CurrentDate = new DateTime(2025,3,20);//DateTime.Now.Date;

​

        DateTime fromDate = new DateTime(2025,3,19);

​

        DateTime first_Date = new DateTime(CurrentDate.Year, CurrentDate.Month, fromDays);

​

        if (toDays == 31)

        {

            toDays = DateTime.DaysInMonth(CurrentDate.Year, CurrentDate.Month);

        }

        DateTime to_Date = new DateTime(CurrentDate.Year, CurrentDate.Month, toDays);

​

        if (!string.IsNullOrEmpty(ExtendedDays))

        {

            int ed = int.Parse(ExtendedDays);

            to_Date = to_Date.AddDays(ed);

        }

​

​

        if (CurrentDate < first_Date)

        {

            first_Date = new DateTime(CurrentDate.AddMonths(-1).Year, CurrentDate.AddMonths(-1).Month, fromDays);

            to_Date = new DateTime(CurrentDate.AddMonths(-1).Year, CurrentDate.AddMonths(-1).Month, toDays);

​

​

            if (fromDate < first_Date)

            {

                Console.WriteLine("Leave Request locked for last month");

                return;

            }

        }

        else

        {

            first_Date = new DateTime(CurrentDate.Year, CurrentDate.Month, fromDays);

            if (fromDate < first_Date)

            {

                Console.WriteLine("Leave Request locked for last month");

                return;

            }

        }

​

    }

}

​