/* vim: set expandtab tabstop=4 shiftwidth=4 : */

public class Subset
{
    public static void main(String[] args)
    {
        int k = Integer.parseInt(args[0]);
        if (k == 0) return;
        RandomizedQueue<String> q = new RandomizedQueue<String>();
        while (!StdIn.isEmpty())
        {
            q.enqueue(StdIn.readString());
        }
        for (int i = 0; i < k; i++)
            System.out.println(q.dequeue());
        System.out.println();
    }
}