#include <iostream>
#include <math.h>
#include <vector>
#include <string>
#include <algorithm>
#include <queue>
#include <stack>
#include <map>
#include <cstring>
#include <iomanip>
#include <set>
#include <bitset>
using namespace std;
using ll = long long;
using pii = pair<int,int>;
using piii = tuple<int,int,int>;
using pibii = tuple<int,bool,int,int>;
#define endl '\n'
#define f first
#define s second
#define int long long;
int const N = 100010;
int dp[N];
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
memset(dp,-1,sizeof dp);
int n;cin >> n;
vector<pibii> vc;
for(int i = 0;i < n;i++){
int a,b,c;cin >> a >> b >> c;
vc.emplace_back(b,false,-a,-c);
}
int m;cin >> m;
for(int j = 0;j < m;j++){
int a,b,c;cin >> a >> b >> c;
vc.emplace_back(b,true,a,c);
}
sort(vc.begin(),vc.end());
int sum = 0;
dp[0] = 0;
// for(auto [a,b,c,d]:vc){
// cout << a << " " << b << " " << c << " " << d << endl;
// }
for(auto [a,b,c,d]:vc){
//cout << a << " " << b << " " << c << " " << d << endl;
if(c > 0){
for(int i = sum;i >= 0;i--){
if(dp[i] != -1) dp[max(0,i+c)] = max(dp[max(0,i+c)],dp[i]+d);
}
}
else{
for(int i = 0;i <= sum;i++){
if(dp[i] != -1) dp[max(0,i+c)] = max(dp[max(0,i+c)],dp[i]+d);
}
}
// for(int i = 0;i <= sum+max(0,c);i++) cout << dp[i] << " ";
// cout << endl;
sum += max(0,c);
}
cout << dp[0];
}
