MonthsDictionary

using System;
using System.Collections.Generic;

namespace DictionaryMonths
{
    class Program
    {
        static void Main(string[] args)
        {
            Dictionary<int, string> months = new Dictionary<int, string>();
            months.Add(1, "January");
            months.Add(2, "February");
            months.Add(3, "March");
            months.Add(4, "April");
            months.Add(5, "May");
            months.Add(6, "June");
            months.Add(7, "July");
            months.Add(8, "August");
            months.Add(9, "September");
            months.Add(10, "October");
            months.Add(11, "November");
            months.Add(12, "December");

            Console.WriteLine("Enter 1 to get Number of Month, Enter 2 to get name");
            int option = int.Parse(Console.ReadLine());
            if (option == 1)
            {
                Console.WriteLine("Enter month name");
                string name = Console.ReadLine();
                foreach (var month in months)
                {
                    if (month.Value == name)
                    {
                        Console.WriteLine(month.Key);
                        break;
                    }
                }
            }
            else
            {
                Console.WriteLine("Enter month number");
                int num = int.Parse(Console.ReadLine());
                Console.WriteLine(months[num]);
            }
        }
    }
}