#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, e) for (int i = (int)(s); i < (int)(e); ++i)
#define all(a) (a).begin(),(a).end()

template<typename T> bool chmax(T& a, const T& b) {
    if (a < b) {
        a = b;
        return true;
    }
    else return false;
}

int main() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    
    int N, X, Y;
    cin >> N >> X >> Y;
    vector<int> A(N), B(N), C(N);
    rep(i, 0, N) cin >> A[i] >> B[i] >> C[i];
    
    vector dp(N + 1, vector(X + 1, vector<ll>(Y + 1, -1)));
    dp[0][0][0] = 0;
    
    rep(i, 0, N) {
        rep(j, 0, X + 1) rep(k, 0, Y + 1) dp[i + 1][j][k] = dp[i][j][k];
        
        rep(j, 0, X + 1) rep(k, 0, Y + 1) {
            if (dp[i][j][k] == -1) continue;
            if (j + A[i] <= X && k + B[i] <= Y) {
                chmax(dp[i + 1][j + A[i]][k + B[i]], dp[i][j][k] + C[i]);
            }
        }
    }
    
    ll ans = 0;
    rep(j, 0, X + 1) rep(k, 0, Y + 1) chmax(ans, dp[N][j][k]);
    cout << ans << '\n';
}