#include <iostream>
#include <fstream>
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");
int n,m,a[15002],x,y,t,v,sum;
bool bin;

int main()
{
    f>>n>>m;
    for(int i=1;i<=n;i++){ f>>a[i];a[i]+=a[i-1];}
    for(int i=1;i<=m;i++){
            f>>bin;
        if(bin==true){ sum=0;f>>x>>y;
           //for(int j=x;j<=y;j++) sum+=a[j];
           g<<a[y]-a[x-1]<<endl;
        }else{
           f>>t>>v;
           for(int j=t;j<=n;j++)a[j]-=v;
        }

    }
f.close();g.close();
    return 0;
}