using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Student S1 = new Student()

        {

            Id = 101,

            Name = "Saurav",

            Gender = "Male",

            Salary = 50000

        };

        Student S2 = new Student()

        {

            Id = 102,

            Name = "John",

            Gender = "Male",

            Salary = 40000

        };

        Student S3 = new Student()

        {

            Id = 103,

            Name = "Lara",

            Gender = "Female",

            Salary = 70000

        };

        Student S4 = new Student()

        {

            Id = 104,

            Name = "Mark",

            Gender = "Male",

            Salary = 60000

        };

        List<Student> students = new List<Student>(3);

        students.Add(S1);

        students.Add(S2);

        students.Add(S3);

        students.Add(S4);

        students.Insert(0,S4);

        for(int i = 0; i< students.Count; i++)

        {

            Student S = students[i];

            Console.WriteLine("ID = {0}, Name = {1}, Gender = {2}, Salary = {3}", S.Id, S.Name, S.Gender, S.Salary);

        }

        Console.WriteLine();

        //Sorting

        List<int> Integers = new List<int>()

        {4,5,9,3,6,2,8,7,1};

        Console.WriteLine("Integer List before sorting.");

        Console.WriteLine();

        foreach(int integer in Integers)

        {

            Console.WriteLine(integer);

        }

        Console.WriteLine();

        Console.WriteLine("Integer List after sorting.");

        Console.WriteLine();

        Integers.Sort();

        foreach(int integer in Integers)

        {

            Console.WriteLine(integer);

        }

        List<string> Alphabets = new List<string>()

        {"C","R","S","L","B","K","G","A"};

        Console.WriteLine();

        Console.WriteLine("Alphabets List after sorting.");

        Alphabets.Sort();

        foreach(string alphabet in Alphabets)

        {

            Console.WriteLine(alphabet);

        }

    }

}

public class Student

{

    public int Id{get; set;}

    public string Name{get; set;}

    public string Gender{get; set;}

    public int Salary{get; set;}

}