Small Shop

using System;
using System.ComponentModel.Design;
using System.Globalization;
using System.Reflection;
using System.Security.Cryptography;

namespace SomeExcercises
{
    class Program
    {
        static void Main(string[] args)
        {
            string product = Console.ReadLine();
            string city = Console.ReadLine();
            double quantity = double.Parse(Console.ReadLine());
            if (city == "Sofia")
            {
                switch (product)
                {
                    case "coffee":
                        Console.WriteLine(quantity * 0.50);
                        break;
                    case "water":
                        Console.WriteLine(quantity * 0.80);
                        break;
                    case "beer":
                        Console.WriteLine(quantity * 1.20);
                        break;
                    case "sweets":
                        Console.WriteLine(quantity * 1.45);
                        break;
                    case "peanuts":
                        Console.WriteLine(quantity*1.60);
                        break;
                    default:
                        break;
                }
            }

            if (city == "Plovdiv")
            {
                switch (product)
                {
                    case "coffee":
                        Console.WriteLine(quantity * 0.40);
                        break;
                    case "water":
                        Console.WriteLine(quantity * 0.70);
                        break;
                    case "beer":
                        Console.WriteLine(quantity * 1.15);
                        break;
                    case "sweets":
                        Console.WriteLine(quantity * 1.30);
                        break;
                    case "peanuts":
                        Console.WriteLine(quantity * 1.50);
                        break;
                    default:
                        break;
                }
            }

            if (city == "Varna")
            {
                switch (product)
                {
                    case "coffee":
                        Console.WriteLine(quantity * 0.45);
                        break;
                    case "water":
                        Console.WriteLine(quantity * 0.70);
                        break;
                    case "beer":
                        Console.WriteLine(quantity * 1.10);
                        break;
                    case "sweets":
                        Console.WriteLine(quantity * 1.35);
                        break;
                    case "peanuts":
                        Console.WriteLine(quantity * 1.55);
                        break;
                    default:
                        break;
                }
            }

        }

    }
}