using namespace std;
int xh;
int sl;
int qian;
int l,r;
stack<int> st;
int n;
int main()
{
	cin>>n;
	for(int j=1;j<=n;j++)
	{
		cin>>xh;
		if(xh==1)
		{
			cin>>l>>r;
			for(int i=l;i<=r;i++)
			{
				st.push(i);
		}
		else if(xh==2)
		{
			cin>>sl;
			while(sl--)
			{
				qian+=st.top();
				st.pop();
			}
			cout<<qian<<endl;
		}
	}
	return 0;
}