#include <iostream>
#include <fstream>

using namespace std;

ifstream in("datorii.in");
ofstream out("datorii.out");
int n, m;
short int a[15001];

void read()
{
    in >> n >> m;
    for ( int i = 1; i <= n; ++i )
        in >> a[i];
}

int main()
{
    read();
    int c, x, y;
    for ( int i = 0; i < m; ++i )
    {
        in >> c >> x >> y;
        int s = 0;
        if ( c == 1 )
        {
            for ( int j = x; j <= y; ++j )
                s += a[j];
            out << s << endl;
        }
        else
            a[x] -= y;
    }


	return 0;
}