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

public class Test
{
	public static void Main()
	{
            string raw = @"1.Jeffrey
2.Darkthread
3.球證
4.旁證
5.主辦
6.協辦
7.全都是我的人";
            List<string> candidates = new List<string>(raw.Split('\n'));
            Random rnd = new Random(975047);
            Console.Write(
            	string.Join("\n", 
            	candidates.OrderBy(o => rnd.Next()).Take(3).ToArray()));
	}
}