using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Град: ");

            string town = Console.ReadLine().ToLower();

            Console.Write("Продукт: ");

            string product = Console.ReadLine().ToLower();

            Console.Write("Количество: ");

            double amount = double.Parse(Console.ReadLine());

​

            if (town == "sofia")

            {

                if (product == "coffee") Console.WriteLine("Цена: " + 0.50 * amount);

                if (product == "water") Console.WriteLine("Цена: " + 0.80 * amount);

                if (product == "beer") Console.WriteLine("Цена: " + 1.20 * amount);

                if (product == "sweets") Console.WriteLine("Цена: " + 1.45 * amount);

                if (product == "peanuts") Console.WriteLine("Цена: " + 1.60 * amount);

            }

            else if (town == "plovdiv")

            {

                if (product == "coffee") Console.WriteLine("Цена: " + 0.40 * amount);

                if (product == "water") Console.WriteLine("Цена: " + 0.70 * amount);

                if (product == "beer") Console.WriteLine("Цена: " + 1.15 * amount);

                if (product == "sweets") Console.WriteLine("Цена: " + 1.30 * amount);

                if (product == "peanuts") Console.WriteLine("Цена: " + 1.50 * amount);

            }

            else if (town == "varna")

            {

                if (product == "coffee") Console.WriteLine("Цена: " + 0.45 * amount);

                if (product == "water") Console.WriteLine("Цена: " + 0.70 * amount);

                if (product == "beer") Console.WriteLine("Цена: " + 1.10 * amount);

                if (product == "sweets") Console.WriteLine("Цена: " + 1.35 * amount);

                if (product == "peanuts") Console.WriteLine("Цена: " + 1.55 * amount);

            }

    }

}