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

using namespace std;

int main() {
    int N, X, Y;
    cin >> N >> X >> Y;
    vector<vector<int>> dp(X + 1, vector<int>(Y + 1, 0));
    for (int k = 0; k < N; k++) {
        int A, B, C;
        cin >> A >> B >> C;
        for (int i = X; i >= A; i--) {
            for (int j = Y; j >= B; j--) {
                dp[i][j] = max(dp[i][j], dp[i - A][j - B] + C);
            }
        }
    }
    int maxVal = 0;
    for (int i = 0; i <= X; i++) {
        for (int j = 0; j <= Y; j++) {
            maxVal = max(maxVal, dp[i][j]);
        }
    }
    cout << maxVal << endl;
    return 0;
}