using System;

public class Program

{

    public static void Main()

    {

        /*

        Q1: Create an int Array with the first digits of Pi: 3,1,4,1,5,9

            Print out the 3rd element of the array. (Hint: the index starts from 0)

            Print the length of an array.

            Print the upper bound of an array.

            Sort this array and print out the 3rd element.

        */

        int[] intPi = new int[] {3, 1, 4, 1, 5, 9};

        Console.WriteLine(intPi[2]);

        Console.WriteLine(intPi.Length);

        Console.WriteLine(intPi.GetUpperBound(0));

        Array.Sort(intPi);

        Console.WriteLine(intPi[2]);

        /*

        Q2: Create a string Array

            This is an array that holds the names of the 12 months.

            Please set up the value for these 12 months ("Jan" to "Dec").

            Ask users to type a number ranging from 1 to 12.

            Print out the corresponding month. (If a user types 2, you should show "Feb".)

            (Hint: the index starts from 0)

        */

        string[] strMonths = new string[12];

        strMonths[0] = "Jan";

        strMonths[1] = "Feb";

        strMonths[2] = "Mar";

        strMonths[3] = "Apr";

        strMonths[4] = "May";

        strMonths[5] = "June";

        strMonths[6] = "July";

        strMonths[7] = "Aug";

        strMonths[8] = "Sep";

        strMonths[9] = "Oct";

        strMonths[10] = "Nov";

        strMonths[11] = "Dec";

        Console.WriteLine("Type a number ranging from 1 to 12: ");

        int intMonth = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine(strMonths[intMonth - 1]);

    }

}