#include <iostream>

int main() {
    int n; std::cin >> n;
    int cnt_even = 0;
    int cnt_odd = 0;
    for(int i = 0; i < n; i++) {
        int t; std::cin >> t;
        if(t % 2 == 0) {
            cnt_even += 1;
        } else {
            cnt_odd += 1;
        }
    }
    std::cout << std::abs(cnt_even - cnt_odd) << std::endl;
}