#include <iostream>
#include <fstream>

using namespace std;

int main() {
	int n, m, A[100], v1, v2, s, y;
	ifstream f("datorii.in");
	ofstream g("datorii.out");
	f >> n >> m;
	for (int i = 1; i <= n; i++)
		f >> A[i];

	for (int k = 1; k <=m; k++)
	{
		f >> s >> v1 >> v2 ;
		switch (s) {
		case 0: {
			A[v1] -= v2;
			break;
		}
		case 1: {
			y = 0;
			for (int i = v1; i <= v2; i++)
				y += A[i];
			g << y << endl;
			break;
		}
		}
	}
	return 0;
}