import java.io.*;
class Glob {
    public static BufferedReader ifile;
    public static  double feet_per_meter = 3.28;
    // java - java permits calculation in  initializer
    public static  double meter_per_foot = 1.0 / feet_per_meter;
    public static  double feet_per_mile = 5280.0;
    public static  double meters_per_kilometer = 1000.0;
    public static  double miles_per_foot = (1.0 / feet_per_mile);
    public static  double miles_per_kilometer = (miles_per_foot * feet_per_meter * meters_per_kilometer);
}