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#include <bits/stdc++.h>
using namespace std;
ifstream in("datorii.in");
ofstream out("datorii.out");
int N, M, a[15001];
int main()
{
in>>N>>M;
for(int i=1; i<=N; i++){
in>>a[i];
}
for(int i=1, cod; i<=M; i++){
in>>cod;
if(cod==0)
{
int t, v;
in>>t>>v;
a[t]-=v;
}
else if(cod==1)
{
int p, q;
int suma=0;
in>>p>>q;
for(int j=p; j<=q; j++){
suma+=a[j];
}
out<<suma<<'\n';
}
}
return 0;
}