#include <fstream>
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");

#define Nmax 15010
int sum[Nmax],n,m,i,j,a,b,valoare;
bool val;
void citire()
{
    f>>n>>m;
    for (int i=1;i<=n;++i)
        f>>sum[i];
}
int main()
{
    citire();
    for (int i=1;i<=m;++i)
    {
        f>>val>>a>>b;
        if (val==0)
            sum[a]-=b;
        else
        {
            valoare=0;
            for (j=a;j<=b;++j)
                valoare+=sum[j];
            g<<valoare<<'\n';
        }
    }
    return 0;
}