#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=1e5+10;
struct piao{
	int t,m;
	bool used;
}p[N];
int n,ans,tot;
int a,b,c;
signed main(){
//	freopen("transfer.in","r",stdin);
//	freopen("transfer.out","w",stdout);
	scanf("%lld",&n);
	for(int i=1;i<=n;i++){
		scanf("%lld%lld%lld",&a,&b,&c);	
		if(a==0){
			ans+=b;
			p[++tot].t=c,p[tot].m=b;	
		}
		if(a==1){
			int js=-1;
			for(int j=tot;j>=-1&&c-p[j].t<=45;j--){
				if(p[j].m>=b&&!p[j].used){
					js=j;	
				}
			}
			if(js>=0){ 
//				cout<<"QAQ "<<js<<endl;
				p[js].used=1;
			}
			else {
				ans+=b;
			}
			
		}
	}
	printf("%lld\n",ans);
	return 0;
}
/*
6 
0 10 3
1 5 46
0 12 50
1 3 96
0 5 110
1 6 135
*/