#include <bits/stdc++.h>
using namespace std;
ifstream fin ("datorii.in");
ofstream fout ("datorii.out");
int V[15001];
int main()
{
long long int n, m, binar, t, v, p, q, sum=0;
fin>>n>>m;
for(int i=1; i<=n; i++)
fin>>V[i];
for(int i=1; i<=m; i++)
{
fin>>binar;
if(!binar)
{
fin>>t>>v;
V[t]-=v;
}
else
{
fin>>p>>q;
for(int i=p; i<=q; i++)
sum+=V[i];
fout<<sum<<"\n";
sum=0;
}
}
return 0;
}
/*
un client care cumpara un calculator in ziua X (au trecut N zile de la infiintarea magazinului)
ce suma de bani a ramas inca neachitata luand in considerare achizitiile facute de clienti in zilele P, P+1, P+2... Q-1, Q (0 < P ≤ Q ≤ N)
.in
n>>m
v[n]
0/1
case 0 ->t v
case 1 p q
*/