using System;
using System.Linq;

class No99{
    static void Main(){
        var count=Int32.Parse(Console.ReadLine());
        var gusu=0;
        var kisu=0;
        for(int i=0;i<count;++i){
            var num=Int32.Parse(Console.ReadLine());
            if(num%2==0)gusu++;
            else kisu++;
        }
        Console.WriteLine(Math.Abs(gusu-kisu));
    }
}