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#include<iostream>
#include<fstream>
using namespace std;
int i,j,COD,Suma,T,V,Q,P,A[15001],N,M;
int main()
{
fstream f("datorii.in",ios::in),
g("datorii.out",ios::out);
f>>N>>M;
for(i=1;i<=N;i++)
f>>A[i];
for(i=0;i<M;i++)
{
f>>COD;
if(!COD)
{
f>>T>>V;
A[T]=A[T]-V;
}
else
{
f>>P>>Q;
for(j=P;j<=Q;j++)
{
Suma=Suma+A[j];
}
g<<Suma<<endl;
Suma=0;
}
}
return 0;
}