using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("How many people are travelling?");

        int people = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("How far are you travelling?");

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

        double price = 0;

        if (people >= 4) {

            price = 0.9 * 6 * distance;

        }

        else if (people == 2 ||  people == 3) {

            price = 0.95 * 6 * distance;

        }

        else {

            price = 6 * distance;

        }

        Console.WriteLine("The total price for your journey is £" + price);

    }

}