public class Date{
  private ushort year;
  private byte month, day;

  public Date(ushort year, byte month, byte day){
    this.year = year; this.month = month; this.day = day;
  }

  public ushort Year{
    get{return year;}
    set{year = value;}
  }

  public byte Month{
    get{return month;}
    set{month = value;}
  }

  public byte Day{
    get{return day;}
    set{day = value;}
  }

  public override string ToString(){
    return string.Format("{0}.{1}.{2}",day, month, year);
  }
}