hospital

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

namespace _4.Hospital
{
    class Hospital
    {
        static void Main()
        {
            var res = new List<Person>();
            string line;
            while ((line = Console.ReadLine())!="Output")
            {
                string[] info = line.Split(new[] { ' ', '\t', '\r' }, StringSplitOptions.RemoveEmptyEntries);
                string departName = info[0];
                string doctor = info[1]+info[2];
                string personName = info[3];
                Person p = new Person();
                p.Name = personName;
                p.Doctor = doctor;
                p.Department = departName;
                res.Add(p);
            }
            line = string.Empty;
            while ((line = Console.ReadLine()) != "End")
            {
                string[] param = line.Split(' ');


                if (param.Length==1)
                {
                    foreach (var item in res.Where(x=>x.Department == param[0]))
                    {
                        Console.WriteLine(item.Name);
                    }
                    continue;
                }
                int count;
                if (int.TryParse(param[1],out count))
                {
                    foreach (var item in res.Where(x=>x.Department == param[0]).Skip((count-1)*3).Take(3).ToList().OrderBy(x=>x.Name))
                    {
                        Console.WriteLine(item.Name);
                    }
                    continue;
                }
                else
                {
                    foreach (var item in res.Where(x => x.Doctor == param[0]+param[1]).OrderBy(x=>x.Name))
                    {
                        Console.WriteLine(item.Name);
                    }
                }
            }
        }
    }
    class Person
    {
        public string Name { get; set; }
        public string Doctor { get; set; }
        public string Department { get; set; }
    }
}