using System;
using System.Linq;
 
public class Test
{
	public static void Main()
	{
		int[] array = new int[10];
		array[0] = 1;
		array[1] = 1;
		array[2] = 1;
		array[3] = 2;
		array[4] = 1;
		array[5] = 2;
		array[6] = 1;
		array[7] = 1;
		array[8] = 2;
		array[9] = 3;
 
		var countGroups = array.GroupBy(a => a)
                       .OrderByDescending(g => g.Count());
 
		foreach(var g in countGroups)
		    Console.WriteLine("{0} => {1} times", g.Key, g.Count());
 
 
	}
}

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