Add Distructor

using System;
using System.Collections.Generic;

namespace ClassroomDesign
{
    public class Student
    {
        public Student() { }
        public Student(string FirstName, string LastName, string ClassName)
        {
            this.FirstName = FirstName;
            this.LastName = LastName;
            this.ClassName = ClassName;
        }
        ~Student()
        {
            Console.WriteLine($"{FirstName} and {LastName} and {ClassName} has deleted");
        }

        public string FirstName { get; set; }
        public string LastName { get; set; }
        public string ClassName { get; set; }
    }
    class Program
    {
        public static void InputList(List<Student> students, int n)
        {
            for (int i = 0; i < n; i++)
            {
                var student = new Student();
                Console.Write("Введiть iм'я: ");
                student.FirstName = Console.ReadLine();

                Console.Write("Введiть прiзвище: ");
                student.LastName = Console.ReadLine();

                Console.Write("Введiть назву класу: ");
                student.ClassName = Console.ReadLine();

                Console.WriteLine();
                students.Add(student);
            }
        }
        public static void OutputList(List<Student> students)
        {
            foreach (var i in students)
                Console.WriteLine($" Iм'я: {i.FirstName}. Прiзвище: {i.LastName}. Назва класу: {i.ClassName}.\n");
        }
        public static bool WhetherTheSameSurnames(List<Student> students, int n)
        {
            uint count = 0;
            for (int i = 0; i < n; i++)
            {
                if (i + 1 == n) break;
                if (students[i].LastName == students[i + 1].LastName) count++;
            }
            return count > 0;
        }
        static void Main(string[] args)
        {
            var stutlist = new List<Student>();
            Console.Write("Вкажiть кiлькiсть учнiв: ");
            try
            {
                int n = int.Parse(Console.ReadLine());
                InputList(stutlist, n);
                OutputList(stutlist);

                if (WhetherTheSameSurnames(stutlist, n))
                    Console.WriteLine("\n В школi Є учнi з однаковим прiзвищем!");

                else
                    Console.WriteLine("\n В школi НЕМАЄ учнiв з однаковим прiзвищем!");
            }
            catch(Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            Console.ReadKey();
        }
    }
}