01.CompoundInterest

using System;
    class CompoundInterest
    {
        static void Main()
        {
            double tvPrice = double.Parse(Console.ReadLine());
            int bankYears = int.Parse(Console.ReadLine());
            double bankInterest = double.Parse(Console.ReadLine());
            double friendInterest = double.Parse(Console.ReadLine());


            double bankLoan = tvPrice * Math.Pow((1 + bankInterest),bankYears);
            double friendLoan = tvPrice * (1 + friendInterest);

            if (bankLoan < friendLoan)
            {
                Console.WriteLine("{0:F2} Bank",bankLoan);
            }
            else
            {
                Console.WriteLine("{0:F2} Friend",friendLoan);
            }
        }
    }