package main

import . "fmt"
import . "slices"

func main() {
	var n,x,y int
	Scan(&n,&x,&y)
	dp := make([][]int, x+1)
	for i := range dp {
		dp[i] = make([]int, y+1)
	}
	for i := 0; i < n; i++ {
		var a, b, c int
		Scan(&a,&b,&c)
		for u := x-a; u >= 0; u-- {
			for v := y-b; v >= 0; v-- {
				if dp[u][v] == 0 {
					continue
				}
				dp[u+a][v+b] = max(dp[u+a][v+b], dp[u][v]+c)
			}
		}
		if a <= x && b <= y {
			dp[a][b] = max(dp[a][b], c)
		}
	}
	var ans int
	for _, tmp := range dp {
		ans = max(ans, Max(tmp))
	}
	Println(ans)
}