#include <iostream>
#include <fstream>
#include <string.h>
using namespace std;
ifstream f ("datorii.in");
ofstream g ("datorii.out");
int N,M,i,d[15001],j,c1,c2,s;
bool op;
int main()
{
    f>>N>>M;
    for (i=1;i<=N;i++)
        f>>d[i];
    for (i=1;i<=M;i++)
    {
        f>>op>>c1>>c2;
        if (!op)
            d[c1]-=c2;
        else
        {
            s=0;
            for (j=c1;j<=c2;j++)
                s+=d[j];
            cout<<s<<"\n";
        }
    }
}