#include <bits/stdc++.h>

using namespace std;

int main() {
    int n, even, odd = 0;
    
    cin >> n;
    
    int tmp;
    for (int i = 0; i < n; i++) {
        cin >> tmp;
        if(tmp % 2 == 0) {
            even++;
        } else {
            odd++;
        }
    }
    
    cout << abs(even - odd) << endl;
    
    return 0;
}