#include<iostream>
#include<fstream>
#define NMAX 15005
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");
int n,m;
int v[NMAX];
int arb[4*NMAX];
void Update(int st, int dr, int idx, int pos, int val)
{
if(st == dr)
{
arb[idx] = arb[idx] + val;
return;
}
int mij = (st+dr) / 2;
if(mij<pos)
Update(mij+1,dr,(idx*2)+1, pos, val);
else
Update(st,mij,idx*2,pos,val);
arb[idx] = arb[idx*2] + arb[(idx*2)+1];
}
int Query(int st,int dr, int arbst, int arbdr, int idx)
{
if(arbst>dr || arbdr<st)
return 0;
if(arbst>=st && arbdr<=dr)
return arb[idx];
int mij = (arbst+arbdr) / 2;
int leftval = Query(st,dr,arbst,mij,idx*2);
int rightval = Query(st,dr,mij+1,arbdr,(idx*2)+1);
return leftval+rightval;
}
void Citire()
{
f>>n>>m;
for(int i=1;i<=n;i++)
{
f>>v[i];
Update(1,n,1,i,v[i]);
}
}
void Solve()
{
for(int i=1;i<=m;i++)
{
int c;
int a,b;
f>>c>>a>>b;
if(c==0)
{
Update(1,n,1,a,-b);
}
else
g<<Query(a,b,1,n,1)<<"\n";
}
}
int main()
{
Citire();
Solve();
}