using System;

public class Program

{

    public static void Main()

    {

        /*  int days = int.Parse(Console.ReadLine());

             int food=int.Parse(Console.ReadLine());

              double firstDeer=double.Parse(Console.ReadLine());

              double secondDeer=double.Parse(Console.ReadLine());

              double thirdDeer=double.Parse(Console.ReadLine());

              var foodneeded=days*firstDeer+days*secondDeer+days*thirdDeer;

              var foodleft = food - foodneeded;

              var foodneed = foodneeded - food;

              if(food>foodneeded)

              {

                  Console.WriteLine($"{Math.Floor(foodleft)} kilos of food left");

              }

              else

              {

                  Console.WriteLine($"{Math.Ceiling(foodneed)} more kilos of food are needed");

              }*/

​

​

​

           /* string sector=Console.ReadLine().ToUpper();

            double A = 11.60;

            double B = 14.50;

            double C = 16.10;

            double D = 8.40;

            int rows = int.Parse(Console.ReadLine());

            int cols=int.Parse(Console.ReadLine());

            double income = 0;

            if (sector == "A")

            {

                income = (rows * cols) * A;

                Console.WriteLine($"{sector} profit is {income:f2} lv.");

            }

            else if (sector == "B")

            {

                income = (rows * cols) * B;

                Console.WriteLine($"{sector} profit is {income:f2} lv.");

            }

            else if (sector == "C")

            {

                income = (rows * cols) * C;

                Console.WriteLine($"{sector} profit is {income:f2} lv.");

            }*/

​

​

    }

}