import java.util.Scanner;

public class Main {

	@SuppressWarnings("resource")
	public static void main(String args[]) {
		Scanner scanner = new Scanner(System.in);
		int n=scanner.nextInt();
		int a[]=new int[n];
		for(int i=0;i<n;i++) {
			a[i]=scanner.nextInt();
		}
		boolean dp[]=new boolean[1<<14+1];
		dp[0]=true;
		for(int i=0;i<n;i++) {
			for(int j=0;j<1<<14+1;j++) {
				if(dp[j]) {
					dp[j^a[i]]=true;
				}
			}
		}
		int cnt=0;
		for(int i=0;i<1<<14+1;i++) {
			if(dp[i])cnt++;
		}
		System.out.println(cnt);
	}
}