#include <iostream>
using namespace std;

const int N = 100000;
int tr[101010];
void add(int pos, int val) {
	for (int i = pos; i <= N; i |= (i + 1)) {
		tr[i] += val;		
	}
}
int sum(int pos) {
	int res = 0;
	for (int i = pos; i >= 0; i = (i&(i + 1)) - 1) {
		res += tr[i];	
	}
	return res;
}

int main() {
	// your code goes here
	add(0, 5);
	add(7, 10);
	cout << sum(0) << ' ' << sum(7) << ' ' << sum(100) << endl;
	return 0;
}