using System;

public class Program

{

    public static void Main()

    {

        double whiskeylv = 50;

        double beer = 10;

        double wine = 3.5;

        double bradny = 6.5;

        double whiskey = 1;

        double pricebrandy = whiskeylv-(whiskeylv *0.5);

        double pricewine =pricebrandy- (pricebrandy*0.4);

        double pricebeer =pricebrandy-( pricebrandy*0.8);

        double pricebeerL = pricebeer*10;

        double pricewineL = pricewine*3.5;

        double pricebrandyL = pricebrandy*6.5;

        double all = whiskeylv + pricebeerL +pricewineL+pricebrandyL;

        Console.WriteLine(all);

    }

}