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

class C
{
    static IEnumerable<int> countingSort(int[] src, int min, int max)
    {
        var l = src.ToLookup(i => i);
        return Enumerable.Range(min, max - min + 1).SelectMany(i => l[i]);
//こう書いても同じ
//        return from i in Enumerable.Range(min, max - min + 1)
//               from e in l[i]
//               select e;
    }

    static void Main()
    {
        var sort = countingSort(new int[] { -1, 9, 4, 8, 9, 6, 3, 9, 5, 2 }, -1, 9);
        foreach (var e in sort)
            Console.Write(e + " ");
    }
}