using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        string input = "apple grape banana grape banana grape";

        string[] arr = input.Split(' ');

        foreach(var data in arr.GroupBy(a => a)

                    .OrderByDescending(group => group.Count())   

                    .Select(group => new { 

                             Word = group.Key, 

                             Count = group.Count() 

                        })

                    .OrderBy(x => x.Word))

        {

            Console.WriteLine("{0} {1}", data.Word, data.Count);

        }

    }

}