#include <bits/stdc++.h>
using namespace std;
int v[400005];
void update(int nod, int left, int right, int poz, int val){
    if(poz < left || poz > right)
        return;
    if(left == right){
        v[nod]+=val;
        return;
    }
    int mid= (left + right) / 2;
    update(nod*2, left, mid, poz, val);
    update(nod*2+1, mid+1, right, poz, val);
    v[nod]=v[nod*2]+v[nod*2+1];
}
int sum(int nod, int left, int right, int i, int j){
    if(right < i || left > j)
        return 0;
    if(i <= left && right <= j)
        return v[nod];
    int mid= (left + right) / 2;
    return sum(nod*2, left, mid, i, j) + sum(nod * 2 + 1, mid + 1, right, i, j);
}
int main(){
    ifstream f("datorii.in");
    ofstream g("datorii.out");
    int n,m,op,a,b;
    f>>n>>m;
    for(int i=1;i<=n;i++){
        f>>a;
        update(1, 1, n, i, a);
    }
    for(int i=0;i<m;i++){
        f>>op>>a>>b;
        if(op==1)
            g<<sum(1, 1, n, a, b)<<"\n";
        else
            update(1, 1, n, a, -b);
    }
    return 0;
}