Students

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

//Class
namespace Students
{
    class Student
    {
        public string FirstName { get; set; }
        public string LastName { get; set; }
        public int Age { get; set; }
        public string HomeTown { get; set; }
    }
}

//Main
namespace Students
{
    class Program
    {
        static void Main(string[] args)
        {
            List<Student> students = new List<Student>();

            while (true)
            {
                string command = Console.ReadLine();
                string[] data = command.Split();

                if (command == "end")
                {
                    break;
                }

                string firstName = data[0];
                string lastName = data[1];
                int age = int.Parse(data[2]);
                string homeTown = data[3];

                Student student = new Student();

                student.FirstName = firstName;
                student.LastName = lastName;
                student.Age = age;
                student.HomeTown = homeTown;

                students.Add(student);

            }

            string nameOfCity = Console.ReadLine();

            foreach(Student student in students)
            {
                if(student.HomeTown == nameOfCity)
                {
                    Console.WriteLine($"{student.FirstName} {student.LastName} is {student.Age} years old.");
                }
            }
        }
    }
}