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


public class SMvcr
{
    private string _labelText;

    private StateVCR _concreteState;

    public SMvcr()
    {
        setState(new SvcrStandBy());
    }

    public void setState(StateVCR e)
    {
        _concreteState = e;
    }

    public string getLabelText()
    {
        return _labelText;
    }
}


public abstract class StateVCR
{
    public abstract void setStateText();
}

public class SvcrStandBy : StateVCR
{
    public override void setStateText()
    {
        throw new NotImplementedException();
    }
}


public class SvcrPlay : StateVCR
{
    public override void setStateText()
    {
        throw new NotImplementedException();
    }
}


public class SvcrRewind : StateVCR
{
    public override void setStateText()
    {
        throw new NotImplementedException();
    }
}

public class SvcrFastForward : StateVCR
{
    public override void setStateText()
    {
        throw new NotImplementedException();
    }
}


public class SvcrRecord : StateVCR
{
    public override void setStateText()
    {
        throw new NotImplementedException();
    }
}