#include <iostream>
#include <vector>
using namespace std;

int main() {
    cin.tie(nullptr), ios::sync_with_stdio(false);
    int N, X, Y;
    cin >> N >> X >> Y;
    vector dp(X + 1, vector<long long>(Y + 1));
    while (N--) {
        int a, b, c;
        cin >> a >> b >> c;
        for (int i = X - a; i >= 0; --i) {
            for (int j = Y - b; j >= 0; --j) dp.at(i + a).at(j + b) = max(dp.at(i + a).at(j + b), dp.at(i).at(j) + c);
        }
    }
    cout << dp.back().back() << '\n';
}