#include <fstream>
#include <vector>
using namespace std;
int main()
{
    ifstream in("datorii.in");
    ofstream out("datorii.out");
    int N, M;
    in >> N >> M;
    vector<int> debt(N);
    for(int i = 0; i < N; ++i)
    {
        int temp, place = i + 1;
        in >> temp;
        while(place <= N)
        {
            debt[place - 1] += temp;
            int k = 0;
            while(!(place & (1 << k))) //Computer k
                ++k;
            place += (1 << k);
        }
    }
    for(int i = 0; i < M; ++i)
    {
        int type;
        in >> type;
        if(type == 0)
        {
            int paid, day, k = 0;
            in >> day >> paid;
            while(day <= N)
            {
                debt[day - 1] -= paid;
                k = 0;
                while(!(day & (1 << k))) //Computer k
                    ++k;
                day += (1 << k);
            }
        }
        if(type == 1)
        {
            int left, right, sum_left = 0, sum_right = 0, k = 0;
            in >> left >> right;
            left -= 1;
            //compute left sum
            while(left > 0)
            {
                sum_left += debt[left - 1];
                k = 0;
                while(!(left & (1 << k))) //Computer k
                    ++k;
                left -= (1 << k);
            }
            //computer right sum
            while(right > 0)
            {
                sum_right += debt[right - 1];
                k = 0;
                while(!(right & (1 << k))) //Computer k
                    ++k;
                right -= (1 << k);
            }
            out << sum_right - sum_left << "\n";
        }
    }
    return 0;
}