import java.math.*;
import java.util.*;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int odd=0;
        int even = 0;
        for(int i=0;i<n;i++){
        	int temp = sc.nextInt();
        	if(temp%2==0) even++;
        	else odd++;
        }
        System.out.println(n-Math.min(odd,even)*2);
    }
}