popcnt = lambda n: bin(n).count('1')

N, K = map(int, input().split())
MOD = 10 ** 9 + 7
fac = [1] * (N + 1)
for i in range(N):
    fac[i + 1] = fac[i] * (i + 1) % MOD

if not K:
    print(fac[N])
    exit()

A = sorted(map(int, input().split()))

ans = 1
cur = 0
for a in A:
    if cur & a != cur:
        print(0)
        exit()
    ans = ans * fac[popcnt(cur ^ a)] % MOD
    cur = a
ans = ans * fac[N - popcnt(cur)] % MOD
print(ans)