public class Time1
{
    private int hour;
    private int minute;
    private int second;

    public void setTime(int h, int m, int s)
    {
        if((h>=0 && h<24) && (m>=0 && m<60) &&(s>=0 && s<60))
        {
            hour=h;
            minute=m;
            second=s;
        }
        else
            throw new IllegalArgumentException( "hour, minute, and/or second was out of range");
    }
    public String toUniversalString()
    {
        return String.format( "%02d:%02d:%02d",hour,minute,second);
    }
    public String toString()
    {
        return String.format( "%d:%02d:%02d %s",
            ( ( hour == 0 || hour==12 ) ? 12 : hour % 12),
            minute, second, ( hour <12 ? "AM" : "PM") );
    }

}