import java.util.*;
//Your task is to complete this class
public class MyBook implements IBook {
    //write the definition of method f1 here
    @Override
    public String f1(ArrayList<Book> a) {
        return a.get(0).name;
    }

    //write the definition of method f2 here
    @Override
    public int f2(ArrayList<Book> a, int price) {
       int count=0;
       for (int i = 0; i< a.size(); i++){
           if (a.get(i).price >= price){
               count ++;
           }
       }
       return count;
    }
    //add and complete you other methods (if needed) here

}