#include<fstream>
using namespace std;
int m,s,t[15001];
short n,x,y;
bool c;
ifstream f("datorii.in");
ofstream o("datorii.out");
int main()
{
    for(f>>n>>m,y=1;y<=n;++y)
        for(f>>x,s=y;s<=n;t[s]+=x,s+=(s&-s));
    while(m--) {
        f>>c>>x>>y;
        if(c) {
            for(s=0;y;s+=t[y],y-=(y&-y));
            for(--x;x;s-=t[x],x-=(x&-x));
            o<<s<<'\n';
        } else
            for(;x<=n;t[x]-=y,x+=(x&-x));
    }
    return 0;
}