using System;

using System.Collections.Generic;

using System.Linq;

using Singletontime;

using playapp;

using hasToCultre;

using Cultre;

namespace Singletontime

{

    public sealed class Time{

        private int timeCount=0;

        public void Timesecond(){

            timeCount+=1;

        }

        public int TimeNow{

            get=>timeCount;

        }

        public Time(){

        }

    }

}

​

namespace playapp{

    public sealed class Main{

        private Time time;

        public Main(){

            time=new Time();

        }

    }

}

namespace hasToCultre{

    public sealed class age{

        private Time time;

        private int FinallyAgeSpace;

        private int StartAge;

        private readonly int AgeRound;

        private readonly int birthday;

        public age(Time time,int ageRound,int startAge=0){

            this.time=time;

            this.StartAge=startAge;

            FinallyAgeSpace=0;

            birthday=time.TimeNow;

            AgeRound=ageRound;

        }

        public int Age{//using this Age3

            get

            {

                int NowTime=time.TimeNow;

                int Timeage=NowTime-birthday;

                return Timeage/AgeRound+StartAge;

            }

        }

    }

}

namespace Cultre{

    class cultre{

        private Time thistime=null;

        public void receivedTime(Time time){

            if(this.thistime==null){

                this.thistime=time;

                return;

            }

            Console.WriteLine("이미 지정했습니다");

        }

    }

}