#include<bits/stdc++.h>
using namespace std;
long long n,a[1000001],b[10000001],c[10000001],ans,cnt,j,k,g[100000001];
bool h=false;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i]>>b[i]>>c[i];
		for(int q=1;q<=j;q++){
			if(cnt>0&&a[i]==1&&g[q]>b[i]&&c[i]-g[q]<=45){
				cnt--;
				g[q]=0;
				h=true;
				break;
			}
		}
		if(h==true){
			continue;
		}
		j++;
		h=false;
		ans+=b[i];
		cnt++;
		g[j]=c[i];
	}
	cout<<ans;
	return 0;
}