#include<iostream>
#include<fstream>
using namespace std;
int main()
{
    int n,m,i,j,v[100],z,x,c,b,y,s;
    ifstream f("datorii.in");
    ofstream g("datorii.out");

    f>>n>>m;
    for(i=1; i<=n; i++)
        f>>v[i];
    for(j=1; j<=m; j++)
    {
        f>>z;
        s=0;
        if(z==0)
        {
            f>>x>>y;
            v[x]=v[x]-y;
        }
        else if(z==1)
        {
            f>>c>>b;
            for(i=c; i<=b; i++)
                s=s+v[i];
            g<<s<<endl;
        }
    }
    return 0;
}