import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;


public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(reader.readLine());
        String[] inputs = reader.readLine().split(" ");
        int evenCounter = 0;
        int oddCounter = 0;

        for (int i = 0; i < N; i++) {
            if (Integer.parseInt(inputs[i]) % 2 == 0) {
                evenCounter += 1;
            } else {
                oddCounter += 1;
            }
        }

        System.out.println(Math.abs(evenCounter-oddCounter));
    }
}