import java.util.*;

public class Priority {
    public static void main(String[] args) {
        Random rand = new Random();
        PriorityQueue<Integer> p = new PriorityQueue<>();
        for(int i=0;i<10;i++) {
            p.add(rand.nextInt(1000));
        }
        System.out.println("===");
        for(int i=0;i<10;i++) {
            System.out.println(p.remove());
        }
    }
}