using System;

public class Program

{

    public static void Main()

    {

        Double bal = 441.00;

        var multiplier = 20;

        var mulitplierDoubleTimes = bal / multiplier;

        var multiplierTimes = Convert.ToInt32(bal / multiplier);

        if (mulitplierDoubleTimes > Convert.ToDouble(multiplierTimes))

        {

            multiplierTimes = multiplierTimes + 1;

        }

        var minVal = multiplierTimes * multiplier;

        Console.WriteLine(minVal);

    }

}