C#: Get the number of days of a given month for a year

using System;
using System.Globalization;

class dttimeex48
{
    static void Main()
    {
        int mn, yr;

        // Displaying the purpose of the program to the user.
        Console.Write("\n\n Find  the number of days of a given month for a year :\n");
        Console.Write("-----------------------------------------------------------\n");

        // Prompting the user to input the month number and year.
        Console.Write(" Input the Month No. : ");
        mn = Convert.ToInt32(Console.ReadLine());
        Console.Write(" Input the Year : ");
        yr = Convert.ToInt32(Console.ReadLine());

        // Creating a DateTimeFormatInfo object to get the month name based on the month number.
        DateTimeFormatInfo dinfo = new DateTimeFormatInfo();
        string mnum = dinfo.GetMonthName(mn);

        // Getting the number of days in the specified month and year.
        int nodays = DateTime.DaysInMonth(yr, mn);

        // Displaying the number of days in the specified month and year.
        Console.WriteLine(" The Number of days in the month {0} is : {1} \n", mnum, nodays);
    }
}