task 2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp12
{
    class Program
    {
        static void Main()
        {
            space(false, 0);

        }
        static void space(bool spaced, int amount)
        {
            int num;
            Console.WriteLine("Please enter a number representing a month of the year (Jan = 1, Feb = 2, ect.)");
            if (spaced == true)
            {
                for (int i = 0; i < amount; i++)
                    Console.WriteLine("\n");
            }
            string trymonth = Console.ReadLine();

            if (int.TryParse(trymonth, out num) && int.Parse(trymonth) < 13 && int.Parse(trymonth) > 0)
            {
                int month = int.Parse(trymonth);
                year(month);
            }
            else
            {
                Console.WriteLine("Enter a valid input and try again.");
                space(true, 13);
            }


        }

        static void year(int month)
        {
            int num;
            Console.WriteLine("Please input the year you wish to search.");
            string tryyear = Console.ReadLine();

            if (int.TryParse(tryyear, out num) && int.Parse(tryyear) > -1)
            {
                int year = int.Parse(tryyear);
                testleap(month, year);
            }
            else
            {
                Console.WriteLine("Enter a valid input and try again.");
                space(true, 13
                    );
            }



        }
        static void testleap(int month, int year)
        {
            if (month == 2 && year % 4 == 0)
            {
                if (year % 100 != 0 || year % 400 == 0)
                {
                    Console.WriteLine("During February in " + year + " there are 29 days.");
                }
                else
                {
                    notleap(month, year);
                }
            }
            else
            {
                notleap(month, year);
            }
            Console.WriteLine("Press any key to continue");
            Console.ReadKey();
        }
        static void notleap(int month, int year)
        {
            switch (month)
            {
                case 1:
                    Console.WriteLine("During January in " + year + " there are 31 days.");
                    break;
                case 2:
                    Console.WriteLine("During February in " + year + " there are 28 days.");
                    break;
                case 3:
                    Console.WriteLine("During March in " + year + " there are 31 days.");
                    break;
                case 4:
                    Console.WriteLine("During April in " + year + " there are 30 days.");
                    break;
                case 5:
                    Console.WriteLine("During May in " + year + " there are 31 days.");
                    break;
                case 6:
                    Console.WriteLine("During June in " + year + " there are 29 days.");
                    break;
                case 7:
                    Console.WriteLine("During July in " + year + " there are 31 days.");
                    break;
                case 8:
                    Console.WriteLine("During August in " + year + " there are 31 days.");
                    break;
                case 9:
                    Console.WriteLine("During September in " + year + " there are 30 days.");
                    break;
                case 10:
                    Console.WriteLine("During October in " + year + " there are 31 days.");
                    break;
                case 11:
                    Console.WriteLine("During November in " + year + " there are 30 days.");
                    break;
                case 12:
                    Console.WriteLine("During December in " + year + " there are 31 days.");
                    break;
            }

        }
    }
}