import sys

sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


N,K = MI()
A = LI()
mod = 998244353

if K >= 11:
    print(0)
    exit()

count = [0]*1024
for a in A:
    count[a] += 1

dp = [[0]*1024 for _ in range(K+1)]
# dp[i][j] = 和集合がjに含まれるような、i個の数字の選び方

for j in range(1024):
    k = j
    while k:
        dp[0][j] += count[k]
        k = (k-1) & j
    dp[0][j] += 1

for i in range(1,K+1):
    for j in range(1,1024):
        k = j
        while k:
            dp[i][j] += dp[i-1][j^k]*count[k]
            dp[i][j] %= mod
            k = (k-1) & j

x = 1
for i in range(2,K+1):
    x *= i

ans = dp[-1][-1]*pow(x,mod-2,mod)
print(ans % mod)