#include <bits/stdc++.h> #define pb push_back #define ss second #define ff first #define N 100005 #define inf 1000000009 #define ll long long #define mid(a,b) (a+b)/2 using namespace std; int n; ll x[N],g,e; ll dis[N],gold[N],jog,mx; int main() { cin >> n; for(int i = 1;i <= n;i++){ cin >> x[i] >> g >> e; gold[i] = gold[i - 1] + g; dis[i] = dis[i - 1] + e; for(int j = 1;j <= i;j++){ if(x[i] - x[j] <= dis[i] - dis[j - 1]){ jog = gold[i] - gold[j - 1]; break; } } mx = max(jog,mx); } cout << mx; }