using System;

using System.Linq;

​

public class Program

{

    public static int Count = 0;

    public static int Count2 = 0;

​

​

    public static void Main()

    {

        var result =

            Enumerable

            .Range(1, 100)

            .OrderByDescending(x => SortMutate(x))          

            .FirstOrDefault(Mutate);

​

        Console.WriteLine("Count is {0}.", Count);

        Console.WriteLine("Count2 is {0}.", Count2);

    }

​

    static bool Mutate(int index)

    {

        Count++;

        return index % 10 == 0;

    }

    static int SortMutate(int index)

    {

        Count2++;

        return index;

    }

}