public static void Main()
Console.WriteLine("How many days does Ivan work per month?");
Console.Write("days (1-30):");
int days = int.Parse(Console.ReadLine());
Console.WriteLine("It cannot be below 1 day");
Console.WriteLine("It cannot be above 30 days");
Console.WriteLine("How much money does he earns for a day in BGN?");
Console.Write("Earning per day in BGN (10-2000):");
double cashPerDay = double.Parse(Console.ReadLine());
Console.WriteLine("The Money that gets per day cannot be under 10");
Console.WriteLine("The Money that gets per day cannot be more than 2000");
Console.WriteLine("What's the course of the EUR for the BGN?");
Console.Write("Course (0.99-1.99):");
double course = double.Parse(Console.ReadLine());
Console.WriteLine("The course of the eur than bgn cannot be highter than 1.99");
Console.WriteLine("The course of the eur than bgn cannot be lower than 0.99");
double bgn = Math.Round(((cashPerDay * days) * 12) / 365, 2);
double eur = Math.Round(bgn / course, 2);
Console.WriteLine("On avarage without the course in BGN per day he is earning " + bgn + " Leva. ");
Console.WriteLine("On avarage in EUR per day he is earning " + eur + " Euro. ");