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

using Int = long long;
const char newl = '\n';

template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}
template<typename T> void drop(const T &x){cout<<x<<endl;exit(0);}
template<typename T=Int>
vector<T> read(size_t n){
  vector<T> ts(n);
  for(size_t i=0;i<n;i++) cin>>ts[i];
  return ts;
}

//INSERT ABOVE HERE

const Int LOG = 18;
Int all[1<<LOG]={};
Int cnt[LOG][1<<LOG]={};

signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  Int n,x;
  cin>>n>>x;
  auto as=read(n);

  Int k=LOG;
  while((~x>>k)&1) k--;

  Int ans=0;
  for(Int i=0;i<=k;i++){
    if((~x>>i)&1) continue;
    Int y=(x>>(i+1))<<(i+1);

    memset(all,0,sizeof(all));
    for(Int a:as) all[(a>>i)<<i]++;

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

    for(Int j=0;j<LOG;j++)
      for(Int a:as)
        if((a>>j)&1) ans+=(all[y^((a>>i)<<i)]-(y==0))*(1<<j);
        else ans+=(cnt[j][y^((a>>i)<<i)]-(y==0 and (a>>j)&1))*(1<<j);
  }
  cout<<ans/2<<newl;
  return 0;
}