#include <fstream>

using namespace std;

ifstream fin("datorii.in");
ofstream fout("datorii.out");

int N, M, AIB[15002];

void update(int pos, int val)
{
    for (; pos <= N; pos += pos & -pos)
        AIB[pos] += val;
}

int query(int pos)
{
    int sum = 0;
    for (; pos >= 1; pos -= pos & -pos)
        sum += AIB[pos];

    return sum;
}

int main()
{
    fin >> N >> M;
    for (int i = 1, x; i <= N; ++i)
    {
        fin >> x;
        update(i, x);
    }

    int type, a, b;
    for (int i = 1; i <= M; ++i)
    {
        fin >> type >> a >> b;

        if (type == 0)
            update(a, -b);
        else
            fout << query(b) - query(a - 1) << '\n';
    }

    fin.close();
    fout.close();
    return 0;
}