#include <bits/stdc++.h>
using namespace std;
int n,sum = 0,begin[114514],q=0,f=0;
int main()
{
	cin>>n;
	int a[n+1][3];
	for (int i = 0;i<n;i++)
	{
		cin >>a[i][0]>>a[i][1]>> a[i][2];
	}
	for (int i =0;i<n;i++)
	{
		if (a[i][0] == 0)
		{
			begin[q] = a[i][2];
			sum += a[i][1];
			q++;
		}
		if (a[i][0] == 1)
		{
			if (a[i][2] - begin[f] <= 45)
			{
				begin[f] = 0;
				f++;
				continue;
			}
			else
			{
				sum += a[i][1];
			}
		}

	}
	cout <<sum;
	return 0;
}

$\Huge 这为什么无法编译啊啊啊啊！:$