public class Time2
{
    private int hour;
    private int minute;
    private int second;

    public Time2()
    {
        this(0,0,0);
    }

    public Time2(int h)
    {
        this( h, 0, 0 );
    }
    public Time2(int h,int m)
    {
        this(h,m,0);
    }
    public Time2(int h,int m,int s)
    {
        setTime( h, m, s );
    }
    public Time2( Time2 time )
    {
        this(time.getHour(),time.getMinute(),time.getSecond());
    }
    //set
    public void setTime(int h,int m,int s)
    {
        setHour(h);
        setMinute(m);
        setSecond(s);
    }
    public void setHour(int h)
    {
        if(h>=0&&h<24)
            hour=h;
        else throw new IllegalArgumentException( "hour must be 0-23" );
    }
    public void setMinute(int m)
    {
        if(m>=0&&m<60)
            minute=m;
        else throw new IllegalArgumentException( "minute must be 0-59" );
    }
    public void setSecond(int s)
    {
        if(s>=0&&s<60)
             second = ( ( s >= 0 && s <60 )?s:0 );
        else throw new IllegalArgumentException( "second must be 0-59" );
    }
    //get
    public int getHour()
    {
        return hour;
    }
    public int getMinute()
    {
        return minute;
    }
    public int getSecond()
    {
        return second;
    }
    //string
    public String toUniversalString()
    {
        return String.format(
        "%02d:%02d:%02d", getHour(), getMinute(), getSecond() );
    }
    public String toString()
    {
         return String.format( "%d:%02d:%02d %s",
          ( (getHour() == 0 || getHour() == 12)?12 : getHour() % 12 ),
           getMinute(), getSecond(), ( getHour() < 12 ? "AM" : "PM" ) );
    }
}