import java.io.FileNotFoundException;
import java.io.File;
import java.util.Scanner;


class EssaiTas  {
  public static void main (String[] arg) throws  FileNotFoundException {
    Tas<Identite> tas = new Tas<Identite>();
    Scanner entree = new Scanner(new java.io.File(arg[0]));
    
    while (entree.hasNext()) tas.ajouter(new Identite(entree.next(),entree.next())); 
    tas.afficher();

    while (tas.size() != 0) System.out.println(tas.retirer());
  }
}