using System;
public interface Channel {
void Next();
void Previous();
}
public interface Book {
void Next();
void Chapter();
}
public class MainClass : Channel, Book {
void Channel.Next() {
Console.WriteLine("Channel Next");
}
void Book.Next() {
Console.WriteLine("Book Next");
}
public void Previous() {
Console.WriteLine("Previous");
}
public void Chapter() {
Console.WriteLine("Chapter");
}
public static void Main() {
MainClass app = new MainClass();
((Book)app).Next();
app.Previous();
app.Chapter();
}
}