opraven

using System;

public class Program
{
    public static void Main()
    {
        double sum = double.Parse(Console.ReadLine());
        double month = double.Parse(Console.ReadLine());
        double complexsum = sum;
        double simplesum = sum;

        for (int i = 0; i < month; i++)
        {

            simplesum += sum * 0.03;
            complexsum +=complexsum * 0.027;
        }

        Console.WriteLine("Simple interest rate: {0:f2} lv.", simplesum);
        Console.WriteLine("Complex interest rate: {0:f2} lv.", complexsum);

        if (simplesum > complexsum)
        {

            Console.WriteLine("Choose a simple interest rate. You will win {0:f2} lv.", Math.Abs(simplesum - complexsum));
        }
        else
        {
            Console.WriteLine("Choose a complex interest rate. You will win {0:f2} lv.", Math.Abs(simplesum - complexsum));
        }



    }
}