class Person {
	String name;
	int age;

	static int x;

	Person( String n, int a ){
		name = n;
		age = a;
	}

	Person( String n ){
		name = n;
		age = -1;
	}

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

	Person(  ){
		this( 0, "" );
	}

	void sayHello(){
		System.out.println("Hello!  My name is " + name );
	}

	void sayHello( Person another ){
		System.out.println("Hello," + another.name + "! My name is " + name );
	}

	boolean isOlderThan( int anAge ){
		boolean flg;
		if( age > anAge ) flg = true; else flg=false;
		return flg;
	}

	

	public static void main(String[] args) 
	{
		System.out.println("Hello World!");
	}
}