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

long long dp[303][303][303];

int main() {
	int N, X, Y;
	cin >> N >> X >> Y;
	for(int i = 0; i <= N; i++) for(int j = 0; j <= X; j++) for(int k = 0; k <= Y; k++) dp[i][j][k] = -1;
	vector<long long> a(N), b(N), c(N);
	for(int i = 0; i < N; i++) {
		cin >> a[i] >> b[i] >> c[i];
	}
	dp[0][0][0] = 0;
	for(int i = 0; i < N; i++) {
		for(int j = 0; j <= X; j++) {
			for(int k = 0; k <= Y; k++) {
				if(dp[i][j][k] == -1) continue;
				dp[i+1][j][k] = max(dp[i][j][k], dp[i+1][j][k]);
				if(j+a[i] <= X && k + b[i] <= Y)dp[i+1][j+a[i]][k+b[i]] = max(dp[i][j][k] + c[i], dp[i+1][j+a[i]][k+b[i]]);
			}
		}
	}
  long long ans = -1;
  for(int i = 0; i <= X; i++) {
    for(int j = 0; j <= Y; j++) {
      ans = max(ans, dp[N][i][j]);
    }
  }
	cout << ans << endl;
	return 0;
}