#include<bits/stdc++.h>
using namespace std;
#define nl "\n"
#define int long long
#define ll long long
#define str string
#define Pb push_back
#define pB pop_back
#define all(a) (a).begin(),(a).end()
const ll inf = 1e15+1;
const ll N = 2*2e3 + 5;
const ll M = 2e5;
#define pii pair<int,int>
#define piii pair<int,pair<int,int>>
int dx[] = {-1, -1, 0, 1, 0, 1};
int dy[] = { 0, -1, -1, 0, 1, 1};
vector<vector<ll>> DP(2, vector<ll>(M+5, -inf));
void solve() {
int n; cin >> n;
vector<vector<ll>> total;
for(int i=1;i<=n;i++) {
ll c,f,v; cin >> c >> f >> v;
total.Pb({-f,-c,v,1});
}
int m; cin >> m;
for(int i=1;i<=m;i++) {
ll c,f,v; cin >> c >> f >> v;
total.Pb({-f,c,v,2});
}
sort(all(total));
//DP[i][j] = profit maks, apabila tersisa j inti pada indeks i
DP[0][0] = 0;
for(int i=1;i<=n+m;i++) {
int clock = total[i][0];
int inti = abs(total[i][1]);
int harga = total[i][2];
int tipe = total[i][3];
// auto [inti, clock, harga, tipe] = total[i-1];
// cout << inti << " " << clock << " " << harga << " " << tipe << nl;
for(int j=0;j<=M;j++) DP[i%2][j] = DP[(i+1)%2][j];
//Kalo komputer ini dibeli
if(tipe == 1) {
for(int j=1;j<=M;j++)
if(inti <= j)
DP[i%2][j] = max(DP[i%2][j], DP[(i+1)%2][j-inti] - harga);
}
// Kalo keinginan pelanggan diturutin
if(tipe == 2) {
for(int j=1;j<=M;j++)
if(j+inti <= M) DP[i%2][j] = max(DP[i%2][j], DP[(i+1)%2][j+inti] + harga);
}
}
ll ans = 0;
for(int j=0;j<=M;j++) ans = max(ans, DP[(n+m)%2][j]);
cout << ans << nl;
}
signed main() {
int T=1; //cin >> T;
for(int x=1;x<=T;x++)
solve();
}
