#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("datorii.in");
ofstream fout("datorii.out");
struct nod
{
    long info;
    nod *adr;
};
long n,m,j,t,q,p,v,s,binar;
nod *prim,*a,*ultim;
int main()
{
    fin>>n>>m;
    prim=new nod;
    fin>>prim->info;
    prim->adr=NULL;
    ultim=prim;
    int i;
    for(i=2;i<=n;i++)
    {
        a=new nod;
        fin>>a->info;
        a->adr=NULL;
        ultim->adr=a;
        ultim=a;
    }
    for(j=1;j<=m;j++)
    {
        fin>>binar>>p>>q;
        if(binar==0)
        {
            a=prim;
            for(i=2;i<=p;i++)
                a=a->adr;
                if(a->info>0)
                a->info=a->info-q;
        }
        else
        {
            a=prim;
            s=0;
            for(i=2;i<=p;i++)
                a=a->adr;
            for(i=p;i<=q;i++)
            {
                if(a->info>=0)
                s=s+a->info;
                a=a->adr;
            }
            fout<<s;
            fout<<"\n";
        }
    }


     fin.close();
     fout.close();
    return 0;
}