#include <iostream>
#include <string>
#include <fstream>
#include <queue>
#include <functional>

using namespace std;


int comp (int i1, int i2)
{
	return abs(i1) < abs(i2);
}

int main (){

	priority_queue<int> Q (0, 1000000, ptr_fun(comp));

	return 0;
}