using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    class A

    {

        public int id;

        public int tID;

        public int cID;

        public string Name;

    }

    public static void Main()

    {

        var mixed = new List<KeyValuePair<A, A>>()

        { new KeyValuePair<A, A>(new A() { id = 1, tID = 10, cID = 50, Name = "Q5" },

                                 new A() { id = 7, tID = 10, cID = 50, Name = "Q1" }),

          new KeyValuePair<A, A>(new A() { id = 0, tID = 20, cID = 30, Name = "Q2" },

                                 new A() { id = 8, tID = 20, cID = 30, Name = "Q2" }),

          new KeyValuePair<A, A>(new A() { id = 1, tID = 10, cID = 50, Name = "Q5" },

                                 new A() { id = 9, tID = 30, cID = 20, Name = "Q3" })};

        mixed = mixed.OrderBy(a => a.Key.id == 0).ThenBy(a => a.Key.id).ToList();

        Console.WriteLine("finalAnswers IDs:");

        // Print the IDs of the values (finalAnswers).

        foreach (var item in mixed)

            Console.WriteLine(item.Value.id);

        Console.WriteLine("\ndraftAnswers IDs:");

        // Print the IDs of the keys (draftAnswers).

        foreach (var item in mixed)

            Console.WriteLine(item.Key.id);

        Console.ReadLine();

    }

}