public static void Main()
pilmenu = double.Parse(Console.ReadLine())*10.35;
fishmenu = double.Parse(Console.ReadLine())*12.40;
vegimenu = double.Parse(Console.ReadLine())*8.15;
smetka = fishmenu + pilmenu + vegimenu ;
Console.WriteLine("total {0:F2}" ,smetka + (smetka*0.2)+2.50);