using System;
using System.Linq;

class No99{
    static void Main(){
        var count=Int32.Parse(Console.ReadLine());
        var line=Console.ReadLine().Split(' ').Select(x=>Int32.Parse(x));
        var gusu=line.Count(x=>x%2==0);
        Console.WriteLine(Math.Abs(count-2*gusu));
    }
}