#include <bits/stdc++.h>
using namespace std;
long long n, m, c[200000];
long long lowbit(int x) {
	return x & (-x);
}
long long getsum(int x) {
	int ans = 0;
	while (x > 0) {
		ans = ans + c[x];
		x = x - lowbit(x);
	}
	return ans;
}
long long getsum(int l, int r) {
	return getsum(r) - getsum(l - 1);
}
void add(int x, int k) {
	while (x <= n) {
		c[x] = c[x] + k;
		x = x + lowbit(x);
	}
}
int main() {
	cin >> n >> m;
	for (int i = 1; i <= n; i++) {
		add(i, 0);
	}
	while (m--) {
		char op;
		cin >> op;
		if (op == 'x') {
			int x, k;
			cin >> x >> k;
			add(x, k);
		} else {
			int x, y;
			cin >> x >> y;
			cout << getsum(x, y) << endl;
		}
	}
	return 0;
}