#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;
//using mint = modint1000000007;
//using mint = modint998244353;

struct ST {
  int a, b;
};
bool operator<(const ST& x, const ST& y){
  return min(x.a,x.b) < min(y.a,y.b);
}

int main(){
  int N, X;
  cin >> N >> X;
  vector<ST> v;
  rep(i,N){
    int a;
    cin >> a;
    int b = a ^ X;
    v.push_back((ST){a,b});
  }
  sort(ALLOF(v));

  rep(i,N-1){
    if(v[i].a < v[i+1].b && v[i].b < v[i+1].a){
      ; //ok
    }else{
      cout << "No" << endl;
      return 0;
    }
  }
  cout << "Yes" << endl;
  
  return 0;
}