#include<iostream>
#include<vector>
using namespace std;
const int maxn=1e5+10;
struct z{
    int tool;
    int price;
    int times;
}a[maxn];
int n,ans=0,which;
vector<z>q;
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i].tool>>a[i].price>>a[i].times;
    }
    for(int i=1;i<=n;i++){
        which=0;
        if(a[i].tool==0){
            q.push_back(a[i]);
            ans+=a[i].price;
        }
        if(a[i].tool==1){
            if(!q.empty()){
                int len=q.size();
                while(!q.empty()){
                    if(which==len){ans+=a[i].price;break;}
                    if((a[i].times-q[which].times)>45){q.erase(q.begin()+which);continue;}
                    if(q[which].price>=a[i].price){q.erase(q.begin()+which);break;}
                    which++;
                }
            }
            else {
                ans+=a[i].price;
            }
        }
    }
    cout<<ans;
    return 0;
}