#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <math.h>
int main(void)
{
    int totalkoma,gukoma=0,kikoma=0;
    scanf("%d",&totalkoma);
    int koma[totalkoma];
    for(int i=0;i<totalkoma;i++)
    {
        scanf("%d",&koma[i]);
        if(koma[i]%2==0)
        {
            gukoma++;
        }
        else
        {
            kikoma++;
        }
        
    }
    printf("%d",abs(gukoma-kikoma));
    
}