#![allow(non_snake_case, unused_imports)]
use std::io::{self, prelude::*};
use std::str;

fn main() {
    let (stdin, stdout) = (io::stdin(), io::stdout());
    let mut scan = Scanner::new(stdin.lock());
    let mut out = io::BufWriter::new(stdout.lock());

    macro_rules! input {
        ($T: ty) => {
            scan.token::<$T>()
        };
    }

    let N = input!(usize);
    let X = input!(usize);
    let Y = input!(usize);

    let ABC = (0..N)
        .map(|_| (input!(usize), input!(usize), input!(isize)))
        .collect::<Vec<_>>();

    let mut dp = vec![vec![vec![-(1 << 60); Y + 1]; X + 1]; N + 1];
    dp[0][0][0] = 0;

    for i in 0..N {
        let (A, B, C) = ABC[i];
        for a in 0..=X {
            for b in 0..=Y {
                dp[i + 1][a][b] = std::cmp::max(dp[i + 1][a][b], dp[i][a][b]);

                if dp[i][a][b] >= 0 && a + A <= X && b + B <= Y {
                    dp[i + 1][a + A][b + B] =
                        std::cmp::max(dp[i][a][b] + C, dp[i + 1][a + A][b + B]);
                }
            }
        }
    }

    let mut ans = -(1 << 60);

    for a in 0..=X {
        for b in 0..=Y {
            ans = std::cmp::max(ans, dp[N][a][b]);
        }
    }

    writeln!(out, "{}", ans);
}

struct Scanner<R> {
    reader: R,
    buf_str: Vec<u8>,
    buf_iter: str::SplitWhitespace<'static>,
}
impl<R: BufRead> Scanner<R> {
    fn new(reader: R) -> Self {
        Self {
            reader,
            buf_str: vec![],
            buf_iter: "".split_whitespace(),
        }
    }
    fn token<T: str::FromStr>(&mut self) -> T {
        loop {
            if let Some(token) = self.buf_iter.next() {
                return token.parse().ok().expect("Failed parse");
            }
            self.buf_str.clear();
            self.reader
                .read_until(b'\n', &mut self.buf_str)
                .expect("Failed read");
            self.buf_iter = unsafe {
                let slice = str::from_utf8_unchecked(&self.buf_str);
                std::mem::transmute(slice.split_whitespace())
            }
        }
    }
}