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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("datorii.in");
ofstream fout("datorii.out");
int v[15001];
int main()
{
int n,m;
fin>>n>>m;
for(int i=1;i<=n;i++){
fin>>v[i];
}
for(int i=0;i<m;i++){
int tip;
fin>>tip;
if(tip==0){
int x,y;
fin>>x>>y;
v[x]-=y;
}else if(tip==1){
int x,y,a=0;
fin>>x>>y;
for(int j=x;j<=y;j++){
a+=v[j];
}
fout<<a<<endl;
}
}
return 0;
}