#include <iostream>
#include <vector>
#include <algorithm>
#include <set>

using namespace std;

int main()
{
#ifdef _DEBUG
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    int n, x; scanf("%d%d", &n, &x);
    vector<int> a(n);
    for(int i = 0; i < n; i++) scanf("%d", &a[i]);
    set<int> z;
    z.insert(a[0]);
    z.insert(-a[0]);
    for(int i = 1; i < n; i++){
        int cur = z.size();
        set<int> v;
        for(auto it = z.begin(); it != z.end(); it++){
            v.insert(*it + a[i]);
            v.insert(*it - a[i]);
        }
        z = v;
    }
    for(auto it = z.begin(); it != z.end(); it++)
        if(*it == x){ printf("YES\n"); return 0;}
    printf("NO\n");
    return 0;
}