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
		}
	}
}