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#include<iostream>
#include<fstream>
#include<vector>
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");
vector<int>v;
int main()
{
int n,m,i,j,a,b;
bool x;
f>>n>>m;
for(i=0;i<n;i++)
{
f>>a;
v.push_back(a);
}
for(i=0;i<n;i++)
{
f>>x>>a>>b;
if(!x)
{
v[a-1]-=b;
}
else
{
int s=0;
for(j=a-1;j<=b-1;j++)
s+=v[j];
g<<s<<'\n';
}
}
return 0;
}