public class Person {
	static int count = 0;
	String name;
	public Person(String name) {
		count ++;
		this.name = name;
	}
	
	public static int getCount() {
		return count;
	}
	
	public static void main(String args[]) {
		Person p1 = new Person("yu");
		System.out.println(Person.getCount());
		Person p2 = new Person("hai");
		System.out.println(Person.getCount());
	}
}