// No.617 Nafmo、買い出しに行く
// https://yukicoder.me/problems/no/617
//
#include <iostream>
#include <vector>
#include <iomanip>
#include <numeric>
using namespace std;

int calc_total(vector<int> &items, int i);


int main() {
    int N, K;
    cin >> N >> K;
    vector<int> items;
    for (auto i = 0; i < N; ++i) {
        int tmp;
        cin >> tmp;
        items.push_back(tmp);
    }

    int total_max = 0;
    for (auto i = 0; i < (1<<N); ++i) {
        int total = calc_total(items, i);
        if (total <= K)
            total_max = max(total_max, total);
    }
    cout << total_max << endl;
}

int calc_total(vector<int> &items, int i) {
    int total = 0;

    for (auto j = 0; j < 20; j++) {
        if (i & (1<<j)) {
            total += items[j];
        }
    }
    return total;
}