#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (int)n; i++)
using ll = long long;
const ll mod = 998244353;

ll Pow(ll x, ll n){
  if(n == 0) return 1;
  if(n % 2 == 0) return Pow(x*x % mod, n/2);
  else return x * Pow(x,n-1) % mod;
}

ll mod_inverse(ll a) {
  return Pow(a,mod-2);
}

int main(){
  int n, k;
  cin >> n >> k;
  if(k > 10) {
    cout << 0 << endl;
    return 0;
  }
  vector<ll> num(1<<10);
  rep(i,n) {
    int a;
    cin >> a;
    num[a]++;
  }
  vector<vector<ll>> dp(1<<10,vector<ll>(k+1));
  dp[0][0] = 1;
  rep(i,1<<10) {
    rep(l,k) {
      rep(j,i) {
        if((i | j) == i) (dp[i][l+1] += dp[j][l]*num[i^j]) %= mod;
      }  
    }
  }
  ll ans = 0;
  rep(i,1<<10) (ans += dp[i][k]) %= mod;
  ll div = 1;
  for(ll i = 1; i <= k; i++) div *= i;
  (ans *= mod_inverse(div)) %= mod;
  cout << ans << endl; 
  return 0;
}