from math import factorial
N, k = map(int, input().split())
mod = 10**9+7
fac = [0]*(N+1)
fac[0] = 1
for i in range(1,N+1):
    fac[i] = (fac[i-1]*i)%mod
if k==0:
    res = 1
    for i in range(1,N+1):
        res *= i
        res %= mod
    print(res)
    exit()

a = list(map(int, input().split()))
a.sort()
res = 1
for i in range(k+1):
    if i==0:
        num = a[i]
    elif i==k:
        num = a[i-1]^((1<<N)-1)
    else:
        num = a[i]^a[i-1]
        if a[i]&a[i-1]!=a[i-1]:exit(print(0))
    cnt = 0
    for j in range(N):
        if num&(1<<j):
            cnt += 1
    res *= fac[cnt]
    res %= mod
print(res)