using System;
                    
public class Program
{
    public static void Main()
    {
        Console.WriteLine("Hello World");
        
        var ret = test_original(95.1m, 0.2m);
        Console.WriteLine("ret = " + ret);
        
        var ret_opt = test_optimal(95.1m, 0.2m);
        Console.WriteLine("ret_opt = " + ret);
    }
    
    public static decimal test_original(decimal marketBuyPrice, decimal overwriteMinStep)
    {        
        decimal mediumPrice2 = 0;

        do
        {
            mediumPrice2 += overwriteMinStep;
        } while (mediumPrice2 < marketBuyPrice);
        
        return mediumPrice2;
    }
    
    public static decimal test_optimal(decimal marketBuyPrice, decimal overwriteMinStep)
    {        
        decimal mediumPrice2 = marketBuyPrice + (marketBuyPrice % overwriteMinStep) * overwriteMinStep;
            
        return mediumPrice2;
    }
}