1

public class Main
{
  public static void main (String[]args)
  {
    for (int i = 1; i <= 10; i++)
      {
	Cat cat1 = new Cat ();
      }
    System.out.println (Cat.catCount);
  }

  public static class Cat
  {

    public static int catCount;

    public Cat ()
    {
      catCount++;
    }

  }
}