#include<string>
#include<list>
#include<iostream>

class YoutubeChannel
{
    private:
        std::string name;
        std::string ownerName;
        int subscribersCount;
        std::list<std::string> videoList;

    public:
        YoutubeChannel(std::string _name, std::string _owner, int _value)
        {
            name = _name;
            ownerName = _owner;
            subscribersCount = _value;
        }

        void subscribe()
        {
            subscribersCount++;
        }

        void unsubscribe()
        {
            if (subscribersCount>0)
                subscribersCount--;
            else
            {
                std::cout<<"Can't unsubscribe this channel"<<std::endl;
            }
        }

        void pub_video(std::string v)
        {
            videoList.push_back(v);
        }

        void show_info()
        {
            std::cout<<"**************************"<<std::endl;
            std::cout<<"Name: "<<name<<std::endl;
            std::cout<<"Owner: "<<ownerName<<std::endl;
            std::cout<<"Subscribers: "<<subscribersCount<<std::endl;
            std::cout<<"Videos:"<<std::endl;
            for (std::string _value:videoList)
            {
                std::cout<<"\t"<< _value <<std::endl;
            }
            std::cout<<"**************************"<<std::endl;
        }
};