using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var percentage = 0.3m;

        string Repeat(string str, int count) => string.Concat(Enumerable.Repeat(str, count));

        var progressCount = (int)(percentage / 0.1m);

        var progressBar = Repeat("🔵", progressCount) + Repeat("⚪", (10-progressCount));

        Console.WriteLine(progressBar);

    }

}