#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ALL(v) v.begin(), v.end()
typedef long long ll;

#include <bits/stdc++.h>
using namespace std;

const ll MOD=998244353;
ll dp[11][1024];

int main(){
  ll n,k;
  cin>>n>>k;
  
  vector<ll> A(1024);
  ll x;
  rep(i,n){
    cin>>x;
    A[x]++;
  }
  
  dp[0][0]=1;
  rep(i,10){
    rep(j,1024){
      for(int k=j+1;k<1024;k++){
        if(j+k==(j^k) && j+k<1024) dp[i+1][j+k]=(dp[i+1][j+k]+dp[i][j]*A[k]%MOD)%MOD;
      }
    }
  }
  ll ans=0;
  rep(i,1024) ans=(ans+dp[k][i])%MOD;
  cout<<ans<<endl;
  
  return 0;
}