#include <bits/stdc++.h>
using namespace std;
using ll = long long;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }

int main() {
    ll n, m, k;
    cin >> n >> m >> k;
    vector<ll> a1(n + 1);
    for (ll i = 0; i < n; i++) {
        cin >> a1[i];
    }
    n++;
    sort(a1.begin(), a1.end());
    vector<ll> a2;
    for (ll i = 0; i < n; i++) {
        for (ll id = 0; id < n; id++) {
            a2.push_back(a1[i] + a1[id]);
        }
    }
    sort(a2.begin(), a2.end());
    vector<ll> a3;
    for (ll i = 0; i < n; i++) {
        for (ll id = 0; id < n; id++) {
            for (ll idx = 0; idx < n; idx++) {
                a3.push_back(a1[i] + a1[id] + a1[idx]);
            }
        }
    }
    sort(a3.begin(), a3.end());
    if (k == 1) {
        cout << *prev(upper_bound(a1.begin(), a1.end(), m)) << endl;
    }
    else if (k == 2) {
        cout << *prev(upper_bound(a2.begin(), a2.end(), m)) << endl;
    }
    else if (k == 3) {
        cout << *prev(upper_bound(a3.begin(), a3.end(), m)) << endl;
    }
    else if (k == 4) {
        ll ans = 0;
        for (ll i = 0; i < a2.size(); i++) {
            if (a2[i] > m) {
                continue;
            }
            auto key = m - a2[i];
            auto it = prev(upper_bound(a2.begin(), a2.end(), key));
            chmax(ans, a2[i] + *it);
        }
        cout << ans << endl;
    }
    else if (k == 5) {
        ll ans = 0;
        for (ll i = 0; i < a2.size(); i++) {
            if (a2[i] > m) {
                continue;
            }
            auto key = m - a2[i];
            auto it = prev(upper_bound(a3.begin(), a3.end(), key));
            chmax(ans, a2[i] + *it);
        }
        cout << ans << endl;
    }
    else {
        ll ans = 0;
        for (ll i = 0; i < a3.size(); i++) {
            if (a3[i] > m) {
                continue;
            }
            auto key = m - a3[i];
            auto it = prev(upper_bound(a3.begin(), a3.end(), key));
            chmax(ans, a3[i] + *it);
        }
        cout << ans << endl;
    }
    return 0;
}