class Person {
    private static int count;
    private final String name;
    private final int age;

    public Person(String name, int age) {
        this.name = name;
        this.age = age;
        count++;
    }

    public static int getCount() {
        return count;
    }
}

public class Main {
    public static void main(String[] args) {
        Person tony = new Person("Tony", 32);
        Person jerry = new Person("Jerry", 32);
        System.out.println(Person.getCount());
    }
}