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[] inputs = new long[N];
		for(int i = 0; i < N; i++){
			inputs[i] = -sc.nextLong();
		}
		
		Arrays.sort(inputs);
		
		for(int i = 0; i < N; i++){
			inputs[i] = -inputs[i];
		}
		
		/*
		for(int i = 0; i < N; i++){
			String str = Long.toBinaryString(inputs[i]);
			
			for(int j = 0; j < 64 - str.length(); j++){
				System.out.print("0");
			}
			System.out.println(str);
		}
		System.out.println("--------------------------------------------");
		*/
		
		int rank = N;
		for(int cur_index = 0; cur_index < N; cur_index++){
			final int cur_keta = Long.numberOfTrailingZeros(Long.highestOneBit(inputs[cur_index]));
			
			if(inputs[cur_index] == 0){
				rank--;
			}
			
			for(int next_index = cur_index + 1; next_index < N; next_index++){
				final int next_keta = Long.numberOfTrailingZeros(Long.highestOneBit(inputs[next_index]));
				
				if(cur_keta == next_keta){
					inputs[next_index] ^= inputs[cur_index];
				}
			}
		}
		
		/*
		for(int i = 0; i < N; i++){
			String str = Long.toBinaryString(inputs[i]);
			
			for(int j = 0; j < 64 - str.length(); j++){
				System.out.print("0");
			}
			System.out.println(str);
		}
		*/
		
		System.out.println(1l << rank);
		
	}
	
}