#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define df 0
#define dist(a,b) (a<b?b-a:a-b) 


int main(){
  int n;
  scanf("%d",&n);
  int i,s[2]={};
  for(i=0;i<n;i++){
    long int a;
    scanf("%ld",&a);
    if(a%2)s[1]++; else s[0]++;
  }
  printf("%d",dist(s[0],s[1]));
  return 0;
}


/// confirm df==0 ///