#include <iostream>
#include <vector>

using namespace std;

// NO MODIFICATIONS OF THIS FUNCTION
void print_verse(Animal const* animal)
{
  cout << "Old MacDonald had a farm, E-I-E-I-O,"
       << endl
       << "And on that farm he had a "
       << animal->name() << ", E-I-E-I-O,"
       << endl
       << "With a " << animal->noise() << " " << animal->noise()
       << " here and a " << animal->noise() << " " << animal->noise()
       << " there"
       << endl
       << "Here a " << animal->noise()
       << ", there a " << animal->noise()
       << ", everywhere a " << animal->noise()
       << " " << animal->noise()
       << endl
       << "Old MacDonald had a farm, E-I-E-I-O."
       << endl
       << endl;
}

int main()
{
  // Create a vector with Animals

  // Insert at least three different animals in the vector

  // Iterate the vector and call print_verse with each animal

  // Clean up any allocated memory
  
  return 0;
}