#include <iostream>
#include <fstream>
using namespace std;
ifstream in("datorii.in");
ofstream out("datorii.out");
int n, m, v[15001], aib[15001];
int zero(int x) {
return ((x ^ (x - 1)) & x);
}
void add(int x, int quantity) {
for (int i = x; i <= n; i += zero(i)) aib[i] += quantity;
}
int query(int a) {
int rez = 0;
for (int i = a; i > 0; i -= zero(i)) rez += aib[i];
return rez;
}
int main() {
ios::sync_with_stdio(false);
in.tie(NULL), out.tie(NULL);
in >> n >> m;
for (int i = 1; i <= n; i++) {
in >> v[i];
for (int j = i - zero(i) + 1; j <= i; j++) aib[i] += v[j];
}
while (m--) {
int op, a, b;
in >> op >> a >> b;
if (op == 0) {
add(a, -b);
}
if (op == 1) {
out << query(b) - query(a - 1) << '\n';
}
}
return 0;
}