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

using ll = long long;

const ll LOG = 19;
ll all[1<<LOG]={};
ll cnt[LOG][1<<LOG]={};

signed main(){
  ll n,x;
  cin>>n>>x;
  vector<ll> as(n);
  for(ll &a:as) cin>>a;

  ll ans=0;
  for(ll i=0;i<LOG;i++){
    if((~x>>i)&1) continue;
    auto f=[&](ll a){return (a>>i)<<i;};

    memset(all,0,sizeof(all));
    for(ll a:as) all[f(a)]++;

    memset(cnt,0,sizeof(cnt));
    for(ll j=0;j<LOG;j++)
      for(ll a:as)
        cnt[j][f(a)]+=(a>>j)&1;

    ll y=(x>>(i+1))<<(i+1);
    for(ll j=0;j<LOG;j++){
      for(ll a:as){
        if((a>>j)&1) ans+=(all[y^f(a)]-(y==0))*(1<<j);
        else ans+=(cnt[j][y^f(a)]-(y==0 and (a>>j)&1))*(1<<j);
      }
    }
  }

  cout<<ans/2<<endl;
  return 0;
}