public class Zoo
{
	
	private Animal[] arr;
	private static int counter = 0;
	
	public Zoo()
	{
		arr = new Animal[100];
	}
	
	public boolean addAnimal(Animal a)
	{
		for (int i = 0; i<counter; i++)
		{
			if (arr[i].equals(a))
			{
				return false;
			}
		}
		Animal b = a;
		arr[counter++] = b;
		return true;
		
	}
	
	public Animal checkAnimal(Animal a)
	{
		for (int i = 0; i<counter; i++)
		{
			if (arr[i].equals(a))
				return arr[i];
		}
		return null;
		
		
	}
	
	public void print()
	{
		for (int i = 0; i<counter; i++)
		{
			if (arr[i] instanceof CareBear)
			{
				System.out.println(((CareBear)a).getSymbol());
			}
		}
	}
	
}