/* -*- coding: utf-8 -*-
 *
 * 2317.cc:  No.2317 Expression Menu - yukicoder
 */

#include<cstdio>
#include<algorithm>
 
using namespace std;

/* constant */

const int MAX_N = 300;
const int MAX_X = 300;
const int MAX_Y = 300;

/* typedef */

typedef long long ll;

/* global variables */

int as[MAX_N], bs[MAX_N], cs[MAX_N];
ll dp[MAX_X + 1][MAX_Y + 1];

/* subroutines */

inline void setmax(ll &a, ll b) { if (a < b) a = b; }

/* main */

int main() {
  int n, x, y;
  scanf("%d%d%d", &n, &x, &y);
  for (int i = 0; i < n; i++) scanf("%d%d%d", as + i, bs + i, cs + i);

  for (int i = 0; i <= x; i++) fill(dp[i], dp[i] + y + 1, -1);
  dp[0][0] = 0;

  for (int i = 0; i < n; i++)
    for (int j = x - as[i]; j >= 0; j--)
      for (int k = y - bs[i]; k >= 0; k--)
	if (dp[j][k] >= 0)
	  setmax(dp[j + as[i]][k + bs[i]], dp[j][k] + cs[i]);

  ll maxd = 0;
  for (int j = 0; j <= x; j++)
    for (int k = 0; k <= y; k++)
      setmax(maxd, dp[j][k]);

  printf("%lld\n", maxd);

  return 0;
}