#include <bits/stdc++.h>
using namespace std;
int main(){
  int N, X, Y;
  cin >> N >> X >> Y;
  vector<int> A(N), B(N), C(N);
  for (int i = 0; i < N; i++){
    cin >> A[i] >> B[i] >> C[i];
  }
  vector<vector<long long>> dp(X + 1, vector<long long>(Y + 1, 0));
  for (int i = 0; i < N; i++){
    for (int j = X; j >= A[i]; j--){
      for (int k = Y; k >= B[i]; k--){
        dp[j][k] = max(dp[j][k], dp[j - A[i]][k - B[i]] + C[i]);
      }
    }
  }
  cout << dp[X][Y] << endl;
}