#include <iostream>
#include <fstream>
#include <vector>

using namespace std;


int suma(const vector<int> &valori, int l, int r) {
    int suma = 0;
    for (int i = l; i <= r; i++) {
        suma += valori[i];
    }
    return suma;
}

void update(vector<int> &valori, int l, int r, int valoare) {
    for (int i = l; i <= r; i++) {
        valori[i] += valoare;
    }
}

int main() {
    ifstream f1("../datorii.in");
    ofstream f2("../datorii.out");

    int N, M;
    f1 >> N >> M;

    vector<int> valori(N);
    for (int i = 0; i < N; i++) {
        f1 >> valori[i];
    }

    for (int i = 0; i < M; i++) {
        int operatie, arg1, arg2;
        f1 >> operatie >> arg1 >> arg2;

        if (operatie == 0) {
            update(valori, arg1 - 1, arg1 - 1, -arg2);
        } else if (operatie == 1) {
            int sum = suma(valori, arg1 - 1, arg2 - 1);
            f2 << sum << endl;
        }
    }

    f1.close();
    f2.close();

    return 0;
}