#include <fstream>

using namespace std;
ifstream fin("datorii.in");
ofstream fout("datorii.out");
int aib[15005],i,n,m,c,a,b,x;
int suma(int x)
{
    int i,s=0;
    for(i=x;i>0;i-=(i&(-i)))s+=aib[i];
    return s;
}
void adun(int a,int b)
{
    int i;
    for(i=a;i<=n;i+=(i&(-i)))aib[i]+=b;
}
int main()
{
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        fin>>x;
        adun(i,x);
    }
    for(i=1;i<=m;i++)
    {
        fin>>c>>a>>b;
        if(c==0)adun(a,-b);
        else fout<<suma(b)-suma(a-1)<<'\n';
    }
    return 0;
}