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

public class Main {
	
	public static long MOD = 1000000007;
	
	public static long fact(long N){
		long ret = 1;
		for(long i = 1; i <= N; i++){ 
			ret *= i;
			ret %= MOD;
		}
		return ret;
	}
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final int N = sc.nextInt();
		final int k = sc.nextInt();
		
		if(k == 0){
			System.out.println(fact(N));
			return;
		}
		
		long[] as = new long[k];
		for(int i = 0; i < k; i++){
			as[i] = sc.nextLong();
		}
		Arrays.sort(as);
		
		for(int i = 1; i < k; i++){
			if((as[i] & as[i - 1]) != as[i - 1]){
				System.out.println(0);
				return;
			}
		}
		
		long answer = fact(Long.bitCount(as[0]));
		for(int i = 1; i < k; i++){
			long xor = as[i] ^ as[i - 1];
			answer *= fact(Long.bitCount(xor));
			answer %= MOD;
		}
		
		System.out.println(answer);
		
	}
}