#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    ifstream in ("datorii.in");
    ofstream out ("datorii.out");

    int n,m;
    in>>n>>m;
    int v[n+1];
    v[0]=0;
    in>>v[1];
    for(int i=2;i<=n;i++)
    {
        in>>v[i];
        v[i]+=v[i-1];
    }
    for(int i=0;i<m;i++)
    {
        bool a;
        int b,c;
        in>>a>>b>>c;
        if(!a)
        {
            for(int j=b;j<=n;j++)
            {
                v[j]-=c;
            }
        }
        else
        {
            out<<v[c]-v[b-1]<<"\n";
        }
    }
    return 0;
}