import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

public class Main {
    static int[] lefts;
    static int[] rights;
    static int[] values;
    static long[][][] dp;
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int x = sc.nextInt();
        int y = sc.nextInt();
        lefts = new int[n];
        rights = new int[n];
        values = new int[n];
        dp = new long[n][x + 1][y + 1];
        for (int i = 0; i < n; i++) {
            lefts[i] = sc.nextInt();
            rights[i] = sc.nextInt();
            values[i] = sc.nextInt();
            for (long[] arr : dp[i]) {
                Arrays.fill(arr, -1);
            }
        }
        System.out.println(dfw(n - 1, x, y));
    }
    
    static long dfw(int idx, int v, int w) {
        if (v < 0 || w < 0) {
            return Long.MIN_VALUE;
        }
        if (idx < 0) {
            return 0;
        }
        if (dp[idx][v][w] < 0) {
            dp[idx][v][w] = Math.max(dfw(idx - 1, v, w), dfw(idx - 1, v - lefts[idx], w - rights[idx]) + values[idx]);
        }
        return dp[idx][v][w];
    }
}
class Scanner {
    BufferedReader br;
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
        } catch (Exception e) {
            
        }
    }
    
    public int nextInt() {
        return Integer.parseInt(next());
    }
    
    public long nextLong() {
        return Long.parseLong(next());
    }
    
    public double nextDouble() {
        return Double.parseDouble(next());
    }
    
    public String next() {
        try {
            while (!st.hasMoreTokens()) {
                st = new StringTokenizer(br.readLine());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            return st.nextToken();
        }
    }
    
}