using System;
using System.Linq;

class Program
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        int[] x = Console.ReadLine().Split().Select(int.Parse).ToArray();

        int odd = 0;
        int even = 0;

        for (int i = 0; i < n; i++)
        {
            if (x[i] % 2 == 0) even++;
            else odd++;
        }

        Console.WriteLine(Math.Abs(even - odd));
    }
}