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

class Main99 {
	
	public static void out (Object o) {
		System.out.println(o);
	}
		
	public static void main (String[] args) throws IOException {
		BufferedReader br = 
			new BufferedReader(new InputStreamReader(System.in));
		
		int cnt1 = 0 , cnt2 = 0;
		int n = Integer.parseInt(br.readLine());
		String[] line = br.readLine().split(" ");
		
		for (int i = 0; i < n; i++) {
			int m = Integer.parseInt(line[i]);
			if (m % 2 == 0)
				cnt1++;
			else
				cnt2++;
		}
		
		out(Math.abs(cnt1 - cnt2));
	}
}