public class Parent
{
    private int num;

    public Parent()
    {
        num = 1;
    }

    public Parent(int num)
    {
        this.num = num;
    }

    public int getNum()
    {
        return(num);
    }

    public void m1() 
    {
        System.out.println("Parent's m1()");
    }
}