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#include <fstream>
using namespace std;
int main()
{
ifstream f("datorii.in");
ofstream g("datorii.out");
int n,m,v[15001],i,a,b,c,s,j;
f>>n;
f>>m;
for(i=1;i<=n;i++)
f>>v[i];
for(i=1;i<=m;i++)
{
f>>a;
f>>b;
f>>c;
if(a==0)
{
v[b]=v[b]-c;
}
if(a==1)
{
s=0;
for(j=b;j<=c;j++)
{
s=s+v[j];
}
g<<s<<'\n';
}
}
f.close();
g.close();
return 0;
}