#include <fstream>
using namespace std;
int main()
{
    ifstream f("datorii.in");
    ofstream g("datorii.out");
    int v[15001],n,m,s,i,j,a,b,c;
    f>>n>>m;
    for (i=1; i<=n; i++)
    f>>v[i];
    for  (i=1; i<=m; i++)
    {
        s=0;
        f>>a>>b>>c;
        if (a==0)
        v[b]-=c;
        else
        for (j=b; j<=c; j++)
        s+=v[j];
        if (a!=0)
        g<<s<<endl;
    }
    return 0;

}