Object and Class/Student

using System;
using System.Linq;
using System.Collections.Generic;
using System.Globalization;
using System.Numerics;


namespace fundamental14
{
    class Student
    {
        public string FirstName { get; set; }
        public string LastName { get; set; }
        public int Age { get; set; }
        public string City { get; set; }
    }

    class MainClass
    {
        public static void Main()
        {
            string input;
            List<Student> students = new List<Student>();

            while ((input = Console.ReadLine()) != "end")
            {
                string[] array = input.Split();


                string firstName = array[0];
                string listName = array[1];
                int age = int.Parse(array[2]);
                string city = array[3];
                Student student = new Student();
                student.FirstName = firstName;
                student.LastName = listName;
                student.Age = age;
                student.City = city;
                students.Add(student);
            }
            string outputCity = Console.ReadLine();
            List<Student> newListStudent = students.Where(x => x.City == outputCity).ToList();

            foreach (Student studentOut in newListStudent)
            {
                Console.WriteLine($"{studentOut.FirstName} {studentOut.LastName} is {studentOut.Age} years old.");
            }
        }
    }
}