using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Problem_7.Inventory_Matcher
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] products = Console.ReadLine().Split(' ').ToArray();
            long[] quantity = Console.ReadLine().Split(' ').Select(long.Parse).ToArray();
            decimal[] price = Console.ReadLine().Split(' ').Select(decimal.Parse).ToArray();
            string[] command = Console.ReadLine().Split(' ').ToArray();
            while (command[0] != "done")
            {
                string product = command[0];
                long quantityOrdered = long.Parse(command[1]);
                int indexOfProduct = Array.IndexOf(products, product);
                decimal productPrice = price[indexOfProduct];
                long productQuantity = 0;
                try
                {
                     productQuantity = quantity[indexOfProduct];
                }
                catch (Exception )
                {
                     productQuantity = 0;
                }

                if (quantityOrdered > productQuantity)
                {
                    Console.WriteLine($"We do not have enough {product}");
                }
                else
                {
                    decimal totalPrice = quantityOrdered * productPrice;
                    Console.WriteLine($"{product} x {quantityOrdered} costs {totalPrice:f2}");
                    quantity[indexOfProduct] -= quantityOrdered;
                }

                command = Console.ReadLine().Split(' ').ToArray();
            }
        }
    }
}