#include <bits/stdc++.h>
using namespace std;
using i64 = int64_t;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, x, y;
    cin >> n >> x >> y;
    i64 ans = 0;
    vector dp(x + 1, vector<i64>(y + 1));
    for (int i = 0, a, b, c; i < n; i += 1) {
        cin >> a >> b >> c;
        for (int j = x; j >= a; j -= 1) {
            for (int k = y; k >= b; k -= 1) {
                ans = max(ans, dp[j][k] = max(dp[j][k], dp[j - a][k - b] + c));
            }
        }
    }
    cout << ans;
}