#include <iostream>
#include <sstream>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <iomanip>

using namespace std;
#define ll long long
void sherry()
{
    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
}

int a;
ll b;
int arr[20];
int ind = 0;
ll sum = 0;
bool recursion(ll sum, int ind)
{
    if (ind == a)
    {
        return sum == b;
    }
    return recursion(sum + arr[ind], ind + 1) || recursion(sum - arr[ind], ind + 1);
}
int main()
{
    sherry();
    cin >> a >> b;
    for (int i = 0; i < a; i++)
        cin >> arr[i];

    recursion(0, 0) ? cout << "YES" : cout << "NO";
    return 0;
}