#include <fstream>

using namespace std;

int main()
{
    ifstream fin("datorii.in");
    ofstream fout("datorii.out");
    unsigned N,M,A[15010],i,T,V,C,P,Q,s,j;
    fin>>N>>M;
    for(i=1;i<=N;i++)
        fin>>A[i];
    for(i=1;i<=M;i++)
    {
        fin>>C;
        if(C)
        {
            s=0;
            fin>>P>>Q;
            for(j=P;j<=Q;j++)
                s+=A[j];
            fout<<s<<"\n";
        }
        else
        {
            fin>>T>>V;
            A[T]-=V;
        }
    }
    return 0;
}