#include <bits/stdc++.h>
using namespace std;
void dfs(vector<set<long long>> &st, vector<long long> &A, long long S = 0, int s = 0, int p = 0){
  int N = A.size();
  if (p == N){
    st[s].insert(S);
  } else {
    dfs(st, A, S, s, p + 1);
    dfs(st, A, S + A[p], s | 1, p + 1);
    dfs(st, A, S - A[p], s | 2, p + 1);
  }
}
int main(){
  int N;
  long long K;
  cin >> N >> K;
  vector<long long> A(N);
  for (int i = 0; i < N; i++){
    cin >> A[i];
  }
  bool ok = false;
  for (int i = 0; i < N; i++){
    if (A[i] == K){
      ok = true;
    }
  }
  if (ok){
    cout << "Yes" << endl;
  } else {
    int X = N / 2, Y = N - X;
    vector<long long> A1(X);
    for (int i = 0; i < X; i++){
      A1[i] = A[i];
    }
    vector<set<long long>> st1(4);
    dfs(st1, A1);
    vector<long long> A2(Y);
    for (int i = 0; i < Y; i++){
      A2[i] = A[X + i];
    }
    vector<set<long long>> st2(4);
    dfs(st2, A2);
    bool ok2 = false;
    for (int i = 0; i < 4; i++){
      for (int j = 0; j < 4; j++){
        if ((i | j) == 3){
          for (long long x : st1[i]){
            if (st2[j].count(K - x) == 1){
              ok2 = true;
            }
          }
        }
      }
    }
    if (ok2){
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}