#include<cstdio>
using namespace std;
FILE *g,*f;
int  n,m,i,j,v[15000],p,q,x,s;
int main()
{
    f=fopen ("datorii.in","r");
    fscanf(f,"%i %i",&n,&m);
    for(i=0;i<n;i++)
    fscanf(f,"%i",&v[i]);
    g=fopen("datorii.out","w");
    for(i=0;i<m;i++)
    {
        fscanf(f,"%i %i %i",&x,&p,&q);
        if(x==1)
        {
            s=0;
            for(j=p-1;j<q;j++)
            s+=v[j];
            fprintf(g,"%i\n",s);
        }
        else
        {
           v[p-1]-=q;
        }
    }
    fclose(g);
    fclose(f);
    return 0;
}