import java.util.Scanner;

public class Main99 {
	public static void main(String[] args) {
		Main99 p = new Main99();
	}

	public Main99() {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] s = new int[2];
		for (int i = 0; i < n; i++)
			s[Math.abs(sc.nextInt())%2] += 1;
		
		System.out.println(s[0]==s[1] ? 0 : Math.max(s[0], s[1])-Math.min(s[0], s[1]));
		
	}


}