n, k = map(int, input().split())
a = list(map(int, input().split()))

g = [0] * 1024

for x in a: g[x] += 1

def gen(x, n, l):
    if n == 0:
        yield l
    else:
        y = x
        while y:
            yield from gen(x ^ y, n - 1, l + [y])
            y = (y - 1) & x

ans = 0
mod = 998244353

if k > 10:
    print(0)
    exit(0)

for l in gen(1023, k, list()):
    cur = 1
    for x in l:
        cur = cur * g[x] % mod
    # if cur:
    #     print(l, cur)
    ans = (ans + cur) % mod
f = 1
for i in range(1, k+1):
    f = f * i % mod
print(ans * pow(f, mod-2, mod) % mod)