#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
using ll=long long;
#define rep(i,n) for(int i=0;i<n;i++)
#define rrep(i,n) for(int i=(n)-1;i>=0;i--)
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
template<class T> bool chmax(T &a, T b){if (a < b){a = b;return true;} else return false;}
template<class T> bool chmin(T &a, T b){if (a > b){a = b;return true;} else return false;}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int N,X,Y;
    cin>>N>>X>>Y;
    vector dp(X+1,vector<ll>(Y+1,-1LL<<60));
    dp[0][0]=0;
    rep(i,N){
        int a,b;
        ll c;
        cin>>a>>b>>c;
        vector dp2(X+1,vector<ll>(Y+1,-1LL<<60));
        rep(j,X-a+1)rep(k,Y-b+1){
            chmax(dp2[j+a][k+b],dp[j][k]+c);
        }
        rep(j,X+1)rep(k,Y+1)chmax(dp[j][k],dp2[j][k]);
    }
    ll ans=-1LL<<60;
    rep(i,X+1)rep(j,Y+1)chmax(ans,dp[i][j]);
    cout<<ans<<"\n";
}