#include <bits/stdc++.h>
#include <random>
#include <chrono>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const char nl = '\n';
const char sp = ' ';
const int inf = 0x3f3f3f3f;
const long long INF = 1000000000000000000;
const int mod = 1e9 + 7;
const char out[2][4]{ "NO", "YES" };
#define all(A) A.begin(), A.end()
using ll = long long;
ifstream fin("datorii.in");
ofstream fout("datorii.out");

#define variableName(var) #var
#define __debug(var) cout << #var << " = " << var << '\n'
inline int rint(int a, int b) { return uniform_int_distribution<int>(a, b)(rng); }

const int nmax = 15000;
int n, m;
int t[nmax + 5]{ 0 };

void add(int i, int x) {
    for (; i <= nmax; i += i & -i) {
        t[i] += x;
    }
}

int get(int i) {
    int sum = 0;
    for (; i > 0; i -= i & -i) {
        sum += t[i];
    }
    return sum;
}

int get(int i, int j) {
    return get(j) - get(i - 1);
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    fin >> n >> m;
    for (int i = 1; i <= n; ++i) {
        int x;
        fin >> x;
        add(i, x);
    }
    for (int i = 1; i <= m; ++i) {
        int t, a, b;
        fin >> t >> a >> b;
        if (t == 0) {
            add(a, -b);
        }
        else {
            fout << get(a, b) << nl;
        }
    }

}