#include <bits/stdc++.h>
#define nmax 15007

using namespace std;

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

int n, m, aib[nmax];

void UpDate(int p, int x)
{
    while (p <= n)
    {
        aib[p] += x;
        p += (p & (-p));
    }
}

int Query(int p)
{
    int s = 0;
    while (p > 0)
    {
        s += aib[p];
        p -= (p & (-p));
    }
    return s;
}

void Citire()
{
    int i, x;
    f >> n >> m;
    for (i=1; i<=n; i++)
    {
        f >> x;
        UpDate(i, x);
    }
    int op, y;
    for (i=1; i<=m; i++)
    {
        f >> op >> x >> y;
        if (op) g << Query(y) - Query(x - 1) << "\n";
        else UpDate(x, -y);
    }
}

int main()
{
    Citire();
    f.close();
    g.close();
}