#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;
#define vl vector<ll>
#define vvl vector<vector<ll>>
#define chmax(n,v) n=n<v?v:n
#define chmin(n,v) n=n>v?v:n
#define rep(i,n) for(ll i=0;i<(n);++i)

int main(){
    ll n,x,y;
    cin >> n >> x >> y;
    vvl dp(x+1,vl(y+1,0));
    rep(i,n){
        ll a,b,c;
        cin >> a >> b >> c;
        for(ll j=x;j>=a;j--)for(ll k=y;k>=b;k--){
            chmax(dp[j][k],dp[j-a][k-b]+c);
        }
    }
    cout << dp[x][y];
}