#include<iostream>
#include<cmath>
#include<iomanip>
#include<algorithm>
#include<cstdlib>
#include<cstring>
#include<vector>

#define ll long long
#define sz(x) int(x.size())
#define all(x) x.begin(),x.end()
using namespace std;

void Fast_IO(){
    ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
    #endif
}

 ll n,target;
 ll arr[25];

 bool is_valid(ll sum , ll idx = 0){
     if(idx == n) return sum == target;
    return is_valid(sum+arr[idx],idx+1) || is_valid(sum - arr[idx],idx+1);

 }


void solve(){
  cin>>n>>target;
  for(int i =0; i<n; i++) cin>>arr[i];
    cout<<(is_valid(0,0)? "YES\n":"NO\n");


}

int main(){
    Fast_IO();
int t =1;
//cin>>t;
while(t--){
solve();
}
return 0;
}