#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int, int>
#define clock first
#define core second.first
#define price second.second
signed main(){
ios_base::sync_with_stdio(false); cin.tie(nullptr);
int n, m; cin >> n;
pair<int, pii> comps[4000]; // clock rate, {core, price}
pair<int, pii> ii;
for(int j=0; j<n; ++j){
cin >> ii.core >> ii.clock >> ii.price;
ii.price = -ii.price;
comps[j] = ii;
}
cin >> m;
for(int j=0; j<m; ++j){
cin >> ii.core >> ii.clock >> ii.price;
ii.core = -ii.core;
comps[n+j] = ii;
}
n += m;
sort(comps, comps+n, greater<>());
int lim=(n)*50;
int dp[2][lim+lim+1];
int ind = 1;
for(int i=0; i<2; ++i){
for(int j=0; j<=lim; ++j){
dp[i][j] = -1e18;
}
dp[i][lim] = 0;
for(int j=1; j<=lim; ++j){
dp[i][lim+j] = -1e18;
}
}
int ans = -1e18;
for(int x=1; x<=n; ++x){
ind = 1-ind;
int i = ind;
auto curr = comps[x-1];
for(int j=0; j<=lim+lim; ++j){
dp[i][j] = dp[!i][j];
}
if(curr.core>=0){
for(int j=lim+curr.core; j<=lim+lim; ++j){
if(dp[!i][j-curr.core]>(int)-1e18)
dp[i][j] = max(dp[i][j], dp[!i][j-curr.core]+curr.price);
}
}else{
curr.core = -curr.core;
for(int j=lim+lim-curr.core; j+curr.core>=lim; --j){
if(dp[!i][j+curr.core]>(int)-1e18)
dp[i][j] = max(dp[i][j], dp[!i][j+curr.core]+curr.price);
}
}
}
for(int j=0; j<=lim; ++j){
ans = max(ans, dp[ind][j+lim]);
}
cout << ans << "\n";
}
