#include <fstream>
#include <iostream>
using namespace std;
ifstream fin ("datorii1.in");
ofstream fout ("datorii1.out");
int i,n,q,x,aib[10001],j,a,b;
void update (int x,int p)
{
    for (int i=p;i<=n;i+=(i&(-i))) aib[i]+=x;
}
int suma (int p)
{
    int i,s=0;
    for (i=p;i>0;i-=(i&(-i)))
        s+=aib[i];
    return s;
}
int main()
{
    fin>>n>>q;
    for (i=1;i<=n;i++)
    {
       fin>>x;
        update(x,i);
    }
    for (i=1;i<=q;i++)
    {
      fin>>x>>a>>b;
    if (x==0) update(-b,a);
    else fout<<suma(b)-suma(a-1)<<'\n';
    }

    return 0;
}