#include<fstream.h>
#include<math.h>
ifstream fin("datorii.in");
ofstream fout("datorii.out");
int n,m,a[15001],d,tp,qv,i,s,j;
int interogare(int yu,int mn)
{
	s=0;
	for(j=yu;j<=mn;j++)
		s=s+a[j];
	return s;
}
void citire(int i)
{
	fin>>a[i];
	if(i!=n)
		citire(i+1);
}
int main()
{
	fin>>n>>m;
	citire(1);
	for(i=1;i<=m;i++)
	{
		fin>>d>>tp>>qv;
		if(d==1)
			fout<<interogare(tp,qv)<<'\n';
		else
			a[tp]=a[tp]-qv;
	}
	return 0;
}