using System;

public class Program

{

    public static void Main()

    {

        double countBees=double.Parse(Console.ReadLine());

        double countFlowers=double.Parse(Console.ReadLine());

        double countAllHoney=countBees*countFlowers*0.21;

        double countAllHoneyRolls=Math.Floor(countAllHoney/100);

        double countHoneyLeft=countAllHoney-(countAllHoneyRolls*100);

        Console.WriteLine($"{countAllHoneyRolls} honeycombs filled.");

        Console.WriteLine($"{countHoneyLeft:F2} grams of honey left.");

    }

}