pub mod chminmax {
    pub fn chmin<T: Copy + Ord>(a: &mut T, b: &T) -> bool {
        if *a > *b {
            *a = *b;
            true
        } else {
            false
        }
    }

    pub fn chmax<T: Copy + Ord>(a: &mut T, b: &T) -> bool {
        if *a < *b {
            *a = *b;
            true
        } else {
            false
        }
    }
}

pub mod scanner {

    pub struct Scanner {
        buf: Vec<String>,
    }

    impl Scanner {
        pub fn new() -> Self {
            Self { buf: vec![] }
        }

        pub fn new_from(source: &str) -> Self {
            let source = String::from(source);
            let buf = Self::split(source);
            Self { buf }
        }

        pub fn next<T: std::str::FromStr>(&mut self) -> T {
            loop {
                if let Some(x) = self.buf.pop() {
                    return x.parse().ok().expect("");
                }
                let mut source = String::new();
                std::io::stdin().read_line(&mut source).expect("");
                self.buf = Self::split(source);
            }
        }

        fn split(source: String) -> Vec<String> {
            source
                .split_whitespace()
                .rev()
                .map(String::from)
                .collect::<Vec<_>>()
        }
    }
}

use crate::{chminmax::chmax, scanner::Scanner};

fn main() {
    let mut scanner = Scanner::new();
    let t: usize = 1;
    for _ in 0..t {
        solve(&mut scanner);
    }
}

fn solve(scanner: &mut Scanner) {
    let n: usize = scanner.next();
    let x: usize = scanner.next();
    let y: usize = scanner.next();
    let mut abc = vec![(0, 0, 0); n];
    for i in 0..n {
        let x = scanner.next::<usize>();
        let y = scanner.next::<usize>();
        let z = scanner.next::<isize>();
        abc[i] = (x, y, z);
    }
    let mut dp = vec![vec![-1; y + 1]; x + 1];
    dp[0][0] = 0;
    for i in 0..n {
        let (a, b, c) = abc[i];
        for xi in (0..=x).rev() {
            for yi in (0..=y).rev() {
                if xi < a || yi < b {
                    continue;
                }
                let xj = xi - a;
                let yj = yi - b;
                let now = dp[xj][yj] + c;
                chmax(&mut dp[xi][yi], &now);
            }
        }
    }
    let mut ans: isize = 0;
    for xi in 0..=x {
        for yi in 0..=y {
            chmax(&mut ans, &dp[xi][yi]);
        }
    }
    println!("{}", ans);
}