// This program hires and fires teaching assistants based on their experience.

// A PriorityQueue is used to order the TAs based on experience.

import java.io.*;
import java.util.*;

public class TAManager {
	public static void main(String[] args) throws IOException {
		Queue<TA> tas = new PriorityQueue<TA>();
		
		// read all current TAs from a file "tas.txt"
		Scanner in = new Scanner(new File("tas.txt"));
		while (in.hasNext()) {
			String name = in.next();
			int exp = in.nextInt();
			TA ta = new TA(name, exp);
			tas.add(ta);
		}
		
		// tas with <= 2 quarters of experience are fired
		System.out.println(tas);
		int fired = 0;
		while (tas.peek().getExperience() <= 2) {
			tas.remove();   
			fired++;
		}
		System.out.println("fired " + fired + " TAs.");
		System.out.println(tas);
    }
}