Yo_21Mb

using System;

public abstract class Animal
{
    private int weight;
    private String sound;
    public int Weight { get { return weight;  } set { weight = value; } }
    public String Sound { get { return sound;  } set { sound = value; } }
    public Animal(int Value)
    {
        this.Weight = Value;
    }
    String says()
    {
        return Sound;
    }
}
public class Cow : Animal
{
    public Cow(int Value)
    {
        this.Weight = Value;
    }
    String says()
    {
        return Sound = "Mooo";
    }
}
public class Snake : Animal
{
    public Snake(int Value)
    {
        this.Weight = Value;
    }
    String says()
    {
        return Sound = "Shhh";
    }
}
public class Pig : Animal
{
    public Pig(int Value)
    {
        this.Weight = Value;
    }
    String says()
    {
        return Sound = "Oink";
    }
}