#include <fstream>

using namespace std;

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

int main()
{
    int n, m, i, j, v[15001], y, z, s;
    bool x;
    f >> n >> m;
    for (i = 1; i <= n; i++)
        f >> v[i];
    for (i = 0; i < m; i++)
    {
        f >> x >> y >> z;
        if (x == 0)
            v[y] -= z;
        if (x == 1)
        {
            s = 0;
            for (j = y; j <= z; j++)
                s += v[j];
            g << s << '\n';
        }
    }
    return 0;
}