#include <fstream>

using namespace std;
ifstream fin ("datorii.in");
ofstream fout ("datorii.out");
int A[15001];
struct operatie
{
    bool cod;
    int a, b;
};
int main()
{
    operatie  B[100001];
    int n, m, suma = 0;
    fin>>n>>m;
    for (unsigned int i = 1; i <= n; i ++)
        fin>>A[i];
    for (unsigned int i = 1; i <= m; i ++)
        fin>>B[i].cod>>B[i].a>>B[i].b;
    for (unsigned i = 1; i <= m; i ++)
    {
        if (B[i].cod == 0)
            A[B[i].a] -= B[i].b;
        else
        {
            unsigned suma = 0;
            for (unsigned j = B[i].a; j <= B[i].b; j ++)
                suma += A[j];
            fout<<suma<<'\n';
        }
    }
    fin.close();
    fout.close();
    return 0;
}