#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
    priority_queue <int> pq;
    int arr[]={1,2,3,4,5};
    for(int i=0;i<5;i++)
    pq.push(arr[i]);
    
    while(!pq.empty())
    {
        printf("%d,\n",pq.top());
        pq.pop();
    }

    return 0;
}