#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;
#define vl vector<ll>
#define vvl vector<vector<ll>>
#define vvvl vector<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;
    vvvl dp(n+1,vvl(x+1,vl(y+1,0)));

    rep(i,n){
        ll a,b,c;
        cin >> a >> b >> c;
        rep(j,x+1)rep(k,y+1){
            if(j-a>=0&&k-b>=0) dp[i+1][j][k]=max(dp[i][j-a][k-b]+c,dp[i][j][k]);
            else dp[i+1][j][k]=dp[i][j][k];
        }
    }

    ll ans=0;

    rep(i,x+1)rep(j,y+1){
        chmax(ans,dp[n][i][j]);
    }

    cout << ans;

}