#include <fstream>

using namespace std;

ifstream f("datorii.in");
ofstream g("datorii.out");

struct datorie
{
  int zi,val;
};

datorie s1[15005];

int n,m,i,j;
int x,s[15005],k;
int tip,v,t,p,q,suma;

int main()
{
    f>>n>>m;
    for (i=1;i<=n;i++)
    {
        f>>x;
        s[i]=s[i-1]+x;
    }
    for (i=1;i<=m;i++)
    {
        f>>tip;
        if (tip==0)
        {
            f>>t>>v;
            k++;
            s1[k].val=v;
            s1[k].zi=t;
        }
        else
        {
            f>>p>>q;
            suma=s[q]-s[p-1];
            for (j=1;j<=k;j++)
                if (s1[j].zi>=p && s1[j].zi<=q)
                    suma-=s1[j].val;
            g<<suma<<"\n";
        }
    }
    return 0;
}