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#include <fstream>
double a[15000];
using namespace std;
int main()
{
int n,m,t,v,p,q,i,x,j,s;
ifstream f("datorii.in");
ofstream g("datorii.out");
f>>n>>m;
for(i=1;i<=n;i++)
{f>>a[i];
}
for(i=1;i<=m;i++)
{
f>>x;
if(x==0)
{f>>t>>v;
a[t]=a[t]-v;
}
else
{
f>>p>>q;
s=0;
for(j=p;j<=q;j++)
s=s+a[j];
g<<s<<'\n';
}
}
return 0;
}