Compound interest

using System;



class Program
{
    static void Main(string[] args)
    {
        double priceOfTv = double.Parse(Console.ReadLine());
        double years = double.Parse(Console.ReadLine());
        double bankRate = double.Parse(Console.ReadLine());
        double friendRate = double.Parse(Console.ReadLine());
        double bankLoan = priceOfTv * (Math.Pow((1+bankRate), years));
        double friendLoan = priceOfTv * (1+friendRate);
        if (friendLoan <= bankLoan)
        {
            Console.WriteLine("{0:F2} Friend", friendLoan); return;
        }
        else
        {
            Console.WriteLine("{0:F2} Bank",bankLoan);
        }
    }
}