P08_UpgradedMatcher

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

namespace P08_UpgradedMatcher
{
    class P08_UpgradedMatcher
    {
        static void Main(string[] args)
        {
            string[] products = Console.ReadLine().Split();
            long[] quantitiesOfProducts = Console.ReadLine().Split().Select(long.Parse).ToArray();
            decimal[] priceOfProducts = Console.ReadLine().Split().Select(decimal.Parse).ToArray();
            long[] allQuantities = new long[products.Length];

            for (int i = 0; i < quantitiesOfProducts.Length; i++)
            {
                allQuantities[i] = quantitiesOfProducts[i];
            }
            while (true)
            {
                string[] command = Console.ReadLine().Split();
                string product = command[0];

                if (product == "done")
                {
                    break;
                }

                long usedQuantity = long.Parse(command[1]);
                int indexProduct = Array.IndexOf(products, product);

                if (allQuantities[indexProduct] == 0 || usedQuantity > allQuantities[indexProduct])
                {
                    Console.WriteLine($"We do not have enough {product}");
                }
                if (usedQuantity <= allQuantities[indexProduct])
                {
                    decimal totalPrice = usedQuantity * priceOfProducts[indexProduct];
                    Console.WriteLine($"{product} x {usedQuantity} costs {totalPrice:F2}");
                    allQuantities[indexProduct] -= usedQuantity;
                }
            }
        }
    }
}