AdAstra-ExamPreparation

using System;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.Linq;


namespace AdAstra
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            var dictItemDate = new Dictionary<string, string>();
            var dictItemCalories = new Dictionary<string, int>();
            Regex regexForInput = new Regex(@"(#|\|)(?<item>[a-zA-Z\s]+)(\1)(?<date>[\d]{2}\/[\d]{2}\/[\d]{2})(\1)(?<calories>\d{1,5})(\1)");
            MatchCollection matchesItemDateCalories = regexForInput.Matches(input);
            int sumCalories = 0;
            foreach (Match product in matchesItemDateCalories)
            {
                int calories = int.Parse(product.Groups["calories"].Value);
                sumCalories += calories;
            }

            int days = sumCalories / 2000;
            Console.WriteLine($"You have food to last you for: {days} days!");

            foreach (Match product in matchesItemDateCalories)
            {
                string item = product.Groups["item"].Value;
                string date = product.Groups["date"].Value;
                int calories = int.Parse(product.Groups["calories"].Value);
                Console.WriteLine($"Item: {item}, Best before: {date}, Nutrition: {calories}");
            }
        }
    }
}