from collections import Counter

N, K = map(int, input().split())
A = Counter(map(int, input().split()))
MOD = 998244353

if K > 10: print(0);exit()

dp = [[0] * (1 << 10) for _ in range(K + 1)]
dp[0][0] = 1
for k, v in A.items():
    for b in range(1 << 10):
        if not k & b:
            for n in range(K):
                dp[n + 1][k ^ b] += dp[n][b] * v
                dp[n + 1][k ^ b] %= MOD
print(sum(dp[K]) % MOD)