import java.util.*;
import java.math.*;
import java.io.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int a = 0;
		int b = 0;
		ArrayList<Integer> list = new ArrayList<Integer>();
		for(int i = 0; i < N; i++) {
			if(sc.nextInt() % 2 == 0) a++;
			else b++;
		}
		System.out.println(Math.abs(a- b));
	}
}