Exercise

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

namespace HomeWork
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            List<Exercise> exercises = new List<Exercise>();
            while (input != "go go go")
            {
                string[] inputTokens = input.Split(new string[] { " -> ", }, StringSplitOptions.RemoveEmptyEntries);

                string topic = inputTokens[0];
                string courseName = inputTokens[1];
                string judgeContestLink = inputTokens[2];
                List<string> problems = inputTokens[3].Split(new string[] { ", " }, StringSplitOptions.RemoveEmptyEntries).ToList();
                input = Console.ReadLine();

                exercises.Add(new Exercise(topic, courseName, judgeContestLink, problems));
            }
            foreach (var item in exercises)
            {
                Console.WriteLine($"Exercises: {item.Topic}");
                Console.WriteLine($"Problems for exercises and homework for the \"{item.CourseName}\" course @ SoftUni.");
                Console.WriteLine($"Check your solutions here: {item.JudgeContestLink}");
                int listNumber = 1;
                foreach (var exer in item.Problems)
                {
                    Console.WriteLine($"{listNumber}. {exer}");
                    listNumber++;
                }
            }
        }
        class Exercise
        {
            public string Topic { get; set; }
            public string CourseName { get; set; }
            public string JudgeContestLink { get; set; }
            public List<string> Problems { get; set; }

            public Exercise(string topic, string courseName, string judgeContestLink, List<string> problems)
            {
                Topic = topic;
                CourseName = courseName;
                JudgeContestLink = judgeContestLink;
                Problems = problems;
            }
        }
    }
}