#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
using ll = long long;
using ld = long double;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    ll N,K; cin >> N >> K;
    vector<ll> A(N);
    rep(i,N) cin >> A[i];
    rep(S,1<<N) if(S) {
        ll sum = 0;
        rep(i,N) if(S & (1 << i)) sum += A[i];
        rep(i,N) if(S & (1 << i)) {
            ll x = sum - 2 * A[i];
            if(x == K){ cout << "Yes" << endl; return 0; }
            x = 2 * A[i] - sum;
            if(x == K){ cout << "Yes" << endl; return 0; }
        }
    }
    cout << "No" << endl;
    return 0;
}