#include <fstream>

using namespace std;

ifstream in("datorii.in");
ofstream out("datorii.out");

int val[15001], s[15001];

int main()
{
    int n ,m ,command ,startingDay, stopingDay, time, value;
    in>>n>>m;
    for(int i = 1; i <= n; i++)
    {
        in>>val[i];
        s[i] = s[i-1] + val[i];
    }
    for(int i = 1; i <= m; i++)
    {
        in>>command;
        if(command)
        {
            in>>startingDay>>stopingDay;
            out<<s[stopingDay] - s[startingDay - 1]<<'\n';
        }
        else
        {
            in>>time>>value;
            val[time] -=value;
            for(int i = time; i <= n; i++)
            {
                s[i] -= value;
            }
        }
    }
    return 0;
}