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#include <fstream>
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");
int n,m,i,j;
int x,s[15005];
int tip,v,t,p,q;
int main()
{
f>>n>>m;
for (i=1;i<=n;i++)
{
f>>x;
s[i]=s[i-1]+x;
}
for (i=1;i<=m;i++)
{
f>>tip;
if (tip==0)
{
f>>t>>v;
for (j=t;j<=n;j++)
s[j]-=v;
}
else
{
f>>p>>q;
g<<s[q]-s[p-1]<<"\n";
}
}
return 0;
}