#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll inf=144499999999994;
ll mod=998244353;
int main(){
    ll n,k;
    cin >> n >>  k;
    if (k>20)
    {
        cout  << 0 << endl;
        return 0;
    }
    vector<vector<ll>>dp(1024,vector<ll>(k+1,0));
    vector<ll>memo(1024,0);
    for (ll i = 0; i < n; i++)
    {
        ll a;
        cin >> a;
        memo[a]+=1;
    }
    dp[0][0]=1;
    for (ll i = 0; i < 1024; i++)
    {
        if (memo[i]==0)
        {
            continue;
        }
        for (ll j = k-1; j >=0; j--)
        {
            for (ll l = 0; l <1024; l++)
            {
                if (dp[l][j]==0)
                {
                    continue;
                }
                ll x=l;
                x^=i;
                if (x==l+i)
                {
                    dp[x][j+1]+=dp[l][j];
                    dp[x][j+1]%=mod;
                }
            }
        }
    }
    ll ans=0;
    for (ll i = 0; i < 1024; i++)
    {
        ans+=dp[i][k];
        ans%=mod;
    }
    cout << ans << endl;
}