import    java.text.DateFormat
import    java.text.ParseException
import    java.text.SimpleDateFormat
import    java.util.Calendar

object DateEx {
    val    formatter:DateFormat = new SimpleDateFormat("yyyyMMddHHmmss")
    def DateEx(date:String,diff:Int):String = {
        val    calendar:Calendar = Calendar.getInstance
        calendar.setTime(formatter.parse(date))
        DateEx(calendar,diff)
    }
    def DateEx(diff:Int):String = DateEx(Calendar.getInstance,diff)
    def DateEx(calendar:Calendar,diff:Int):String = {
        calendar.add(Calendar.SECOND,diff)
        formatter.format(calendar.getTime)
    }
    def main(args:Array[String]):Unit = {
        try {
            args.length match {
                case 2 => println(DateEx(args(0),args(1).toInt))
                case 1 => println(DateEx(args(0).toInt))
                case _ => println(DateEx("20080827235925",40))
            }
        } catch {
            case ex:ParseException => println("invalid date format.")
            case ex => ex.printStackTrace
        }
    }
}