#include <iostream>
#include <stdexcept>

#include "stack_solution.h"
#include "stack_solution.h" // test inclusion guard

void test_const(Stack const& s)
{
  s.empty();
}

void try_pop_empty(Stack& s)
{
  try
  {
    s.pop();
  }
  catch (std::exception& e)
  {
    std::cerr << e.what() << std::endl;
  }
}

int main()
{
  Stack s;
  std::string name;

  try_pop_empty(s);
  
  while ( std::cin >> name )
  {
    s.push(name);
  }
  
  while ( ! s.empty() )
  {
    std::cout << s.pop() << ' ';
  }

  try_pop_empty(s);

  for (int i{0}; i < 5; ++i)
  {
    s.push("The devil is in the detail.");
    s.pop();
  }
  
  try_pop_empty(s);
  
  return 0;
}