#include <iostream>
#include <fstream>
#define NMAX 15001

using namespace std;

ifstream f("datorii.in");
ofstream g("datorii.out");

int n, m, aib[NMAX];

void adauga(int val, int k)
{
    int i;
    for(i=k; i<=n; i+=((i ^ (i - 1)) & i))
        aib[i] += val;
}

int suma(int k)
{
    int i, s = 0;

    for (i=k; i>=1; i-=((i ^ (i - 1)) & i))
        s += aib[i];

    return s;
}

int main() {
    int i, op, x, y;
    f >> n >> m;

    for (i=1; i<=n; ++i){
        f >> x;
        adauga(x, i);
    }

    for (i=1; i<=m; ++i) {
        f >> op >> x >> y;

        if (!op) adauga(-y, x);
        else g << suma(y) - suma(x - 1) << '\n';
    }

    return 0;
}