#include <fstream>
using namespace std;

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

int aib[15005];
int n,m,x;
int suma(int x)
{
    int s=0;
    for (int i= x;i>0;i-=(i&-i))
        s+= aib[i];
    return s;
}

void adaugavaloare(int x,int val)
{
   for (int i=x;i<=n;i+=(i&-i))
       aib[i]+=val;
}

int main()
{
    in >>n;
    in >>m;

    for (int i=1;i<=n;i++)
    {
        in>>x;
        adaugavaloare(i,x);
    }

    for (int i=1;i<=m;i++)
    {
        int A;
        in >>A;
        if (A==1)
        {
            int st,dr;
            in >>st>>dr;
            out << suma(dr)-suma(st-1)<<endl;
        }
        else
        {
            int zi,valoare;
            in >> zi >> valoare;
            adaugavaloare(zi,-valoare);
        }
    }
    return 0;
}