#include <iostream>
#include <list>
#include <string>
#include <stdio.h>
#include <stdint.h>
using namespace std;
using uint = unsigned int;
using int64 = int64_t;
using uint64 = uint64_t;

int main()
{

  uint N;
  uint K;

  cin >> N >> K;
  cin.ignore();

  list<uint> A;

  for( uint j = 0 ; j < N ; j++ ){

    uint a;
    cin >> a;
    cin.ignore();
    A.push_back( a );
    
  }

  K++;
  auto itr = A.begin();

  for( uint j = 0 ; j < N ; j++ ){

    *itr %= K;
    itr++;

  }

  while( K > 0 ){

    itr = A.begin();

    bool b = false;
    
    for( uint j = 0 ; j < N ; j++ ){

      b = ( ( *itr % 2 == 0 ) && b ) || ( ( *itr % 2 == 1 ) && ! b );
      *itr /= 2;
      itr++;

    }

    if( b ){

      cout << "YES" << endl;
      return 0;

    }

    K /= 2;
    
  }

  cout << "NO" << endl;
  return 0;
  
}