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

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