#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using pii=pair<int,int>;

#define all(a) a.begin(),a.end()
#define pb push_back
#define sz(a) ((int)a.size())

const int N=305;
int n,x,y;
ll dp[N][N];

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin >> n >> x >> y;
    for(int _=0; _<n; ++_){
        int a,b,c; cin >> a >> b >> c;
        for(int i=x-a; i>=0; --i) for(int j=y-b; j>=0; --j) dp[i+a][j+b]=max(dp[i+a][j+b],dp[i][j]+c);
    }
    cout << dp[x][y] << "\n";
}