import java.io.IOException;

public class Main {

	public static void main(String[] args) throws Exception {
		int N = nextInt();
		boolean[] a = new boolean[(1 << 14) + 1];
		a[0] = true;
		for (int i = 0; i < N; i++) {
			a[nextInt()] = true;
		}
		for (int i = 1; i < a.length; i++) {
			if (!a[i]) {
				continue;
			}
			for (int j = 1; j < i; j++) {
				if (a[j]) {
					a[i ^ j] = true;
				}
			}
		}

		int ans = 0;
		for (int i = 0; i < a.length; i++) {
			if (a[i]) {
				ans++;
			}
		}
		System.out.println(ans);
	}

	static int nextInt() {
		int c;
		try {
			c = System.in.read();
			while (c != '-' && (c < '0' || c > '9'))
				c = System.in.read();
			if (c == '-')
				return -nextInt();
			int res = 0;
			while (c >= '0' && c <= '9') {
				res = res * 10 + c - '0';
				c = System.in.read();
			}
			return res;
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return -1;
	}
}