#include <bits/stdc++.h>
using namespace std;
#define int long long
struct Transaction {
int cores;
int rate;
int price;
};
const int MAXCORES=100000;
const int inf=1e12;
signed main(){
int n; cin>>n;
vector<Transaction> transactions;
for (int i=0; i<n; i++){
Transaction trans;
cin>>trans.cores>>trans.rate>>trans.price;
trans.price *= -1;
transactions.push_back(trans);
}
int m; cin>>m;
for (int i=0; i<m; i++){
Transaction trans;
cin>>trans.cores>>trans.rate>>trans.price;
trans.cores *= -1;
transactions.push_back(trans);
}
std::sort(transactions.begin(), transactions.end(),
[](const Transaction &a, const Transaction &b) -> bool {
return a.rate != b.rate ? a.rate > b.rate : a.price < b.price;
});
vector<int> dp(MAXCORES+1,-inf);
dp[0]=0;
for (auto trans: transactions){
vector<int> ndp = dp;
for (int i=0; i<=MAXCORES; i++){
if (dp[i]!=-inf and 0<=i+trans.cores and i+trans.cores<=MAXCORES) ndp[i+trans.cores] = max(ndp[i+trans.cores], dp[i] + trans.price);
}
swap(dp, ndp);
}
cout<<*max_element(dp.begin(),dp.end())<<'\n';
}
