# import pypyjit;pypyjit.set_param("max_unroll_recursion=-1")
# from bisect import *
# from collections import *
# from heapq import *
# from itertools import *
# from math import *
# from datetime import *
# from decimal import*
# from string import ascii_lowercase,ascii_uppercase
# import numpy as np
import sys
import os

# sys.setrecursionlimit(10**6)
INF = 10**18
MOD = 998244353
# MOD = 10**9 + 7
File = open("input.txt", "r") if os.path.exists("input.txt") else sys.stdin


def input():
    return File.readline()[:-1]


# ///////////////////////////////////////////////////////////////////////////


N, X, Y = map(int, input().split())
menu = [list(map(int, input().split())) for _ in range(N)] + [[0, 0, 0]]
dp = [[[0, 0] for _ in range(700)] for _ in range(N + 1)]
flag = [0] * 700
flag[0] = 1

for i in range(N + 1):
    for j in range(500):
        if flag[j]:
            if j + menu[i][0] <= X and dp[i - 1][j][0] + menu[i][1] <= Y:
                dp[i][j + menu[i][0]] = (
                    dp[i][j + menu[i][0]]
                    if dp[i][j + menu[i][0]][1] > dp[i - 1][j][1] + menu[i][2]
                    else [
                        dp[i - 1][j][0] + menu[i][1],
                        dp[i - 1][j][1] + menu[i][2],
                    ]
                )
                flag[j + menu[i][0]] = 1
            dp[i][j] = dp[i][j] if dp[i][j][1] > dp[i - 1][j][1] else dp[i - 1][j]

ans = 0
for i, j in enumerate(dp[-1]):
    if i <= X and j[0] <= Y:
        if ans < j[1]:
            ans = j[1]
print(ans)