using System;

public class Program

{

    private static string GetPercentageRounds(Double percentage) {

        if (percentage == 0)

            return "⚪⚪⚪⚪⚪⚪⚪⚪⚪⚪";

        if (percentage > 0.0 && percentage <= 0.1)

            return "⚫⚪⚪⚪⚪⚪⚪⚪⚪⚪";

        if (percentage > 0.1 && percentage <= 0.2)

            return "⚫⚫⚪⚪⚪⚪⚪⚪⚪⚪";

        if (percentage > 0.2 && percentage <= 0.3)

            return "⚫⚫⚫⚪⚪⚪⚪⚪⚪⚪";

        if (percentage > 0.3 && percentage <= 0.4)

            return "⚫⚫⚫⚫⚪⚪⚪⚪⚪⚪";

        if (percentage > 0.4 && percentage <= 0.5)

            return "⚫⚫⚫⚫⚫⚪⚪⚪⚪⚪";

        return "⚫⚫⚫⚫⚫⚫⚫⚫⚫⚫";

    }

    public static void Main()

    {

        Console.WriteLine(GetPercentageRounds(.1 + .2));

    }

}