using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var equalOddsAndEvens = new int[] { 1, 2, 3, 4, 5, 6, 7, 8};

        Console.WriteLine("Equal number of odds and evens: " + NumberOfEvensEqualsNumberOfOdds(equalOddsAndEvens));

        var moreOddsAndEvens = new int[] { 1, 2, 3, 4, 5, 6, 7};

        Console.WriteLine("Equal number of odds and evens: " + NumberOfEvensEqualsNumberOfOdds(moreOddsAndEvens));

    }

​

    public static bool NumberOfEvensEqualsNumberOfOdds(IEnumerable<int> numbers)

    {

        var numberOfEvens = numbers.Count(x => x % 2 == 0);

        var numberOfOdds = numbers.Count(x => x % 2 != 0);

        return numberOfEvens == numberOfOdds;

    }

}