#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001



int main(){
	
	int n,x,y;
	cin>>n>>x>>y;
	vector dp(x+1,vector<long long>(y+1,0));
	rep(i,n){
		long long a,b,c;
		cin>>a>>b>>c;
		vector ndp(x+1,vector<long long>(y+1,0));
		rep(j,x+1){
			rep(k,y+1){
				ndp[j][k] = max(ndp[j][k],dp[j][k]);
				if(j+a<=x&&k+b<=y){
					ndp[j+a][k+b] = max(ndp[j+a][k+b],dp[j][k] + c);
				}
			}
		}
		swap(dp,ndp);
	}
	
	long long ans = 0;
	rep(i,x+1){
		rep(j,y+1)ans = max(ans,dp[i][j]);
	}
	cout<<ans<<endl;
	return 0;
}