import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] sa = br.readLine().split(" ");
		int n = Integer.parseInt(sa[0]);
		int x = Integer.parseInt(sa[1]);
		int y = Integer.parseInt(sa[2]);
		int[] a = new int[n];
		int[] b = new int[n];
		int[] c = new int[n];
		for (int i = 0; i < n; i++) {
			sa = br.readLine().split(" ");
			a[i] = Integer.parseInt(sa[0]);
			b[i] = Integer.parseInt(sa[1]);
			c[i] = Integer.parseInt(sa[2]);
		}
		br.close();

		long[][] dp = new long[x + 1][y + 1];
		for (int i = 0; i < n; i++) {
			long[][] wk = new long[x + 1][y + 1];
			for (int j = 0; j <= x; j++) {
				for (int j2 = 0; j2 <= y; j2++) {
					wk[j][j2] = Math.max(wk[j][j2], dp[j][j2]);
					int nj = j + a[i];
					int nj2 = j2 + b[i];
					if (nj <= x && nj2 <= y) {
						wk[nj][nj2] = Math.max(wk[nj][nj2], dp[j][j2] + c[i]);
					}
				}
			}
			dp = wk;
		}
		long ans = 0;
		for (int j = 0; j <= x; j++) {
			for (int j2 = 0; j2 <= y; j2++) {
				ans = Math.max(ans, dp[j][j2]);
			}
		}
		System.out.println(ans);
	}
}