using System;

public class Program

{

    public static double Rese(double num) {

        if(num < 0) {

            num = 0;            

        }

        return num;

    }

    public static void Main()

    {

        double daytime = Convert.ToDouble(Console.ReadLine());

        double evening = Convert.ToDouble(Console.ReadLine());

        double weekend = Convert.ToDouble(Console.ReadLine());

        double PlanA = (Rese(daytime-100)*0.25)+(0.15*evening)+(0.2*weekend);

        double PlanB = (Rese(daytime-250)*0.45)+(0.35*evening)+(0.25*weekend);

        Console.WriteLine("Plan A costs " + Convert.ToString(PlanA));

        Console.WriteLine("Plan B costs " + Convert.ToString(PlanB));

        Console.WriteLine(37.85<37.85);

        if(PlanA < PlanB) {

            Console.WriteLine("Plan A is cheapest.");

        } 

        if(true) {

            Console.WriteLine("Plan B is cheapest.");

            Console.WriteLine(PlanA);

            Console.WriteLine(PlanB);

        } else {

            Console.WriteLine("Plan A and B are the same price.");

        }

    }

}