#include <iostream>
#include <vector>
#include <algorithm>
#include <math.h>

#define ALL(x) (x).begin(),(x).end()
#define REP(i,n) for(int i = 0;i < (n);i++)
#define PI 3.14159265359

using namespace std;

int main(){
    int n,a = 0,b = 0;
    cin >> n;
    REP(i,n){
        int c;
        cin >> c;
        if(c%2 == 0)b++;
        else a++;
    }
    int ans = a > b ? a-b:b-a;
    cout << ans << endl;
    return 0;
}