#include <bits/stdc++.h>
using namespace std;
#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
using ll = long long;
constexpr int INF = 0x3f3f3f3f;
constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL;
constexpr double EPS = 1e-8;
constexpr int MOD = 998244353;
// constexpr int MOD = 1000000007;
constexpr int DY4[]{1, 0, -1, 0}, DX4[]{0, -1, 0, 1};
constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1};
constexpr int DX8[]{0, -1, -1, -1, 0, 1, 1, 1};
template <typename T, typename U>
inline bool chmax(T& a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U>
inline bool chmin(T& a, U b) { return a > b ? (a = b, true) : false; }
struct IOSetup {
  IOSetup() {
    std::cin.tie(nullptr);
    std::ios_base::sync_with_stdio(false);
    std::cout << fixed << setprecision(20);
  }
} iosetup;

int main() {
  int n, x, y; cin >> n >> x >> y;
  vector dp(x + 1, vector(y + 1, -LINF));
  dp[0][0] = 0;
  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) {
        chmax(dp[i + a][j + b], dp[i][j] + c);
      }
    }
  }
  ll ans = 0;
  REP(i, x + 1) chmax(ans, *ranges::max_element(dp[i]));
  cout << ans << '\n';
  return 0;
}