using System.Collections.Generic;
public static void Main()
Console.WriteLine("Hello World");
List<Human> list=new List<Human>();
list.Add(new Human(10,10));
list.Add(new Male(20,20,20));
list.Add(new Female(30,30,30));
public Human(int _tall, int _weight)
public Male(int t, int w, int _Jlong):base(t, w)
public Female(int t, int w, int _Bsize):base(t, w)