#include <fstream>
#define NMAX 15001
using namespace std;
ifstream fin("datorii.in");
ofstream fout("datorii.out");
int i,j,n,m,a[NMAX],b[NMAX],cod,x,y;
int main()
{
    fin>>n>>m;
    for(i=1;i<=n;++i)
        fin>>a[i];
    for(i=1;i<=n;++i)
        b[i]=b[i-1]+a[i];
    for(i=1;i<=m;++i)
        {
            fin>>cod;
            if(cod==1)
                {
                    fin>>x>>y;
                    fout<<b[y]-b[x-1]<<'\n';
                }
            else
                {
                    fin>>x>>y;
                    for(j=x;j<=n;++j)
                        b[j]=b[j]-y;
                }
        }
    return 0;
}