import java.util.Arrays;
import java.util.LinkedList;
import java.util.Scanner;

public class Main {
	
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		final int N = sc.nextInt();
		long[] arr = new long[N];
		for(int i = 0; i < N; i++){
			arr[i] = sc.nextLong();
		}
		Arrays.sort(arr);
		for(int i = 0; i < N; i++){
			arr[i] = Math.abs(arr[i]) % 2;
		}
		
		int ones = 0, zeros = 0;
		for(int i = 0; i < N; i++){
			if(arr[i] == 0){
				zeros++;
			}else{
				ones++;
			}
		}
		
		System.out.println(Math.max(ones, zeros) - Math.min(ones, zeros));
		
	}
	
}