#include<fstream>
#define dim 150009
using namespace std;
int n,m,i,j,a[dim],x,A,B,tip;
void schimba(int nod,int st,int dr,int poz,int val)
{
int mij;
if(st==dr)
a[nod]+=val;
else
{
mij=(st+dr)/2;
if(poz<=mij)
schimba(2*nod,st,mij,poz,val);
else
schimba(2*nod+1,mij+1,dr,poz,val);
a[nod]=a[2*nod]+a[2*nod+1];
}
}
void detsum(int nod,int st,int dr,int A,int B)
{
int mij;
if(A<=st&&dr<=B)
{
x+=a[nod];
return;
}
if(st<dr)
{
mij=(st+dr)/2;
if(A<=mij)
detsum(2*nod,st,mij,A,B);
if(B>mij)
detsum(2*nod+1,mij+1,dr,A,B);
}
}
int main()
{
ifstream f("datorii.in");
ofstream g("datorii.out");
f>>n>>m;
for(int i=1;i<=n;++i)
{
f>>x;
schimba(1,1,n,i,x);
}
for(int i=1;i<=m;++i)
{
f>>tip>>A>>B;
if(tip==0)
schimba(1,1,n,A,-B);
else
{
x=0;
detsum(1,1,n,A,B);
g<<x<<"\n";
}
}
}