06. Students 2.0 C# Tech Module

using System;
using System.Collections.Generic;
using System.Linq;

namespace _04._Students
{
    class Program
    {
        static void Main(string[] args)
        {
            string command = Console.ReadLine();
            List<Student> allStudents = new List<Student>();
            while (command != "end")
            {
                string[] inputInformation = command.Split(" ", StringSplitOptions.RemoveEmptyEntries);
                string firstName = inputInformation[0];
                string lastName = inputInformation[1];
                int age = int.Parse(inputInformation[2]);
                string homeTown = inputInformation[3];
                Student student = allStudents.FirstOrDefault(s => s.FirstName == firstName && s.LastName == lastName);
                if (student == null)
                {
                    allStudents.Add(new Student()
                    {
                        FirstName = firstName,
                        LastName = lastName,
                        Age = age,
                        HomeTown = homeTown
                    });
                }
                else
                {
                    student.FirstName = firstName;
                    student.LastName = lastName;
                    student.Age = age;
                    student.HomeTown = homeTown;
                }
                command = Console.ReadLine();
            }
            string town = Console.ReadLine();
            List<Student> filteredStudents = allStudents.Where(currentStudent => currentStudent.HomeTown == town).ToList();

            foreach (Student student in filteredStudents)
            {
                Console.WriteLine(student.getData());
            }
        }
        class Student
        {
            public string FirstName { get; set; }
            public string LastName { get; set; }
            public int Age { get; set; }

            public string HomeTown { get; set; }

            public string getData()
            {
                return $"{FirstName} {LastName} is {Age} years old.";
            }
        }
    }
}