mod = 998244353
eps = 10**-9


def main():
    import sys
    input = sys.stdin.readline

    N, K = map(int, input().split())
    A = list(map(int, input().split()))

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

    cnt = [0] * 1024
    for a in A:
        cnt[a] += 1
    dp = [[0] * 1024 for _ in range(K+1)]
    dp[0][0] = 1
    for new in range(1, 1024):
        for k in range(K):
            for state in range(1024):
                if state & new == 0:
                    dp[k+1][state | new] = (dp[k+1][state | new] + dp[k][state] * cnt[new])%mod
    ans = 0
    for x in dp[K]:
        ans = (ans + x)%mod
    print(ans)


if __name__ == '__main__':
    main()