Small Shop

using System;

class Program
{
    static void Main()
    {

        var product =Console.ReadLine();
        var town = Console.ReadLine();
        double quantity = double.Parse(Console.ReadLine());
        double itemPrice = 0;
        double price = 0;
        if (town=="Sofia")
        {
            if (product == "coffee")
            {
                itemPrice = 0.50;
            }
            else if (product == "water")
            {
                itemPrice = 0.80;
            }
            else if (product == "beer")
            {
                itemPrice = 1.20;
            }
            else if (product == "sweets")
            {
                itemPrice = 1.45;
            }
            else if (product == "peanuts")
            {
                itemPrice = 1.60;
            }
        }
        else if (town=="Plovdiv")
        {
            if (product == "coffee")
            {
                itemPrice = 0.40;
            }
            else if (product == "water")
            {
                itemPrice = 0.70;
            }
            else if (product == "beer")
            {
                itemPrice = 1.15;
            }
            else if (product == "sweets")
            {
                itemPrice = 1.30;
            }
            else if (product == "peanuts")
            {
                itemPrice = 1.50;
            }
        }
        else if (town == "Varna")
        {
            if (product == "coffee")
            {
                itemPrice = 0.45;
            }
            else if (product == "water")
            {
                itemPrice = 0.70;
            }
            else if (product == "beer")
            {
                itemPrice = 1.10;
            }
            else if (product == "sweets")
            {
                itemPrice = 1.35;
            }
            else if (product == "peanuts")
            {
                itemPrice = 1.55;
            }
        }

        price = itemPrice * quantity;
        Console.WriteLine(price);
    }
}