using System;

public class Program

{

    public static void Main()

    {

        double banana;

            double cost;

        double total;

        Console.WriteLine("banana 3");

        banana = Convert.ToInt32(Console.ReadLine());

        cost = 0.99;

        total = cost * banana;

        Console.WriteLine(total);

        if(banana >10 ){

            cost = 0.891;

            total = cost * banana;          

​

            Console.WriteLine(total);

    }

}

}