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#include <fstream>
using namespace std;
ifstream fin("datorii.in");
ofstream fout("datorii.out");
#define dim 15001
long i,n,m,j,t,q,p,v,s,binar,a[dim];
int main()
{
fin>>n>>m;
for(i=1;i<=n;i++)
fin>>a[i];
for(j=1;j<=m;j++)
{
fin>>binar;
if(binar==1)
{fin>>p>>q;
s=0;
for(i=p;i<=q;i++)
s=s+a[i];
fout<<s;
fout<<"\n";}
else
{fin>>t>>v;
if(a[t]-v>=0)
a[t]=a[t]-v;}
}
fin.close();
fout.close();
return 0;
}