MOD=998244353
N,K=map(int,input().split())
A=list(map(int,input().split()))
if K>10:
    exit(print(0))
dp=[[0]*(1<<10) for _ in range(11)]
dp[0][0]=1
for a in A:
    s=(~a)&((1<<10)-1)
    while True:
        for i in range(10):
            dp[i+1][a]=(dp[i+1][a]+dp[i][s])%MOD
        if s==0:
            break
        s=(s-1)&(~a)
ans=0
for i in range(1,1<<10):
    ans=(ans+dp[K][i])%MOD
print(ans)