#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define ld long double
#define chad char
#define mod 1'000'000'007
#define dim 100005
#define lim 1000000
#define INF 1000000000
#define pii pair<int,int>
#define pb push_back
#define mp make_pair
using namespace std;
 
ifstream fin("datorii.in");
ofstream fout("datorii.out");

int n,q;
int a[15002];

struct fenw 
{
    vector<ll> aib;
    int n;

    fenw(int _n) 
    {
        this->n=_n;
        this->aib=vector<ll>(_n+5,0);
    }

    void update(int pos, ll val)
    {
        for(int i=pos; i<=n; i+=(i&-i))
            aib[i]+=val;
    }

    ll query(int pos)
    {
        ll ans=0;

        for(int i=pos; i; i-=(i&-i))
            ans+=aib[i];

        return ans;
    }
};

int main()
{
    ios_base::sync_with_stdio(false);
    fin.tie(nullptr);
    fout.tie(nullptr); 

    fin >> n >> q;

    for(int i=1; i<=n; i++)
        fin >> a[i];

    fenw v(n);

    for(int i=1; i<=n; i++)
        v.update(i,a[i]);

    while(q--)
    {
        int tip,x,y;

        fin >> tip >> x >> y;

        if(!tip)
        {
            v.update(x,-y);
        }
        else 
        {
            fout << v.query(y)-v.query(x-1) << "\n";
        }
    }

    return 0;
}