using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

double total_amnount;

double amount cash

double kast;

Console Rightline");

    total_amount=double. parse((Console Readline))

Console Rightline amount cash");

amount_cash=double. parsensole Radline);

kast_1 Rhtine("kast_1")

    kast_1=double. parse("Consle Readline")

total_amount-amount_cash=kast*5

}