#include<bits/stdc++.h>
using namespace std;
#define int long long 
int n;
struct node{
	int time;
	int price;
	bool used=false;
}m[100000];
signed main(){
	cin>>n;
	int sum=0,p=0;
	while(n--){
		int tran;
		cin>>tran;
		if(tran==0){
			int price,ts;
			cin>>price>>ts;
			m[p].price=price;
			m[p].time=ts;
			p++;
			sum+=price;
		}
		if(tran==1){
			int price,tb;
			cin>>price>>tb;
			for(int i=0;i<p;i++){
				if(!m[i].used&&tb-m[i].time<=45&&price<=m[i].price){
					m[i].used=true;
					continue;
				}
			}
			sum+=price;
		}
	}
	cout<<sum;
	return 0;
}