#include<fstream>
using namespace std;
int v[15002];
int main()
{
	int n,m,p,q,i,cod,s;
	ifstream in("datorii.in");
	ofstream out("datorii.out");
	in>>n>>m;
	for (i=1;i<=n;i++)
		in>>v[i];
	for (i=1;i<=m;i++)
	{
		in>>cod;
		if (cod==0)
		{
			in>>p>>q;
			v[p]-=q;
		}
		if (cod==1)
		{
			in>>p>>q;
			s=0;
			for (p;p<=q;p++)
			{
				s+=v[p];
			}
			out<<s<<'\n';
		}
	}
	in.close();
	out.close();
	return 0;
}