class Date {
    
    // DECLARE YOUR FIELDS HERE
    
        
    /** Getter for year.
     * @return this Date's year.
     */
    int getYear() {
      return this.year;
      }
     
    /** Setter for the year field.
     * @param _year The year to set this Date's year to (A.D.).
     */
    void setYear( int _year ) {
      this.year = _year;
      }
      
        
    /** Getter for month.
     * @return this Date's month.
     */
    // WRITE YOUR GETTER HERE

    /** Setter for the month field.
     * @param _month The month to set this Date's month to (1..12).
     */
    // WRITE YOUR SETTER HERE
    
     
    /** Getter for day.
     * @return this Date's day.
     */
    int getDay() {
      return this.day;
      }

    /** Setter for the day field.
     * @param _day The day to set this Date's day to (1..31).
     */
    void setDay( int _day ) {
      this.day = _day;
      }
         
    
    /** Date constructor.
     * @param _year The year (in A.D.)
     * @param _month a number in 1..12.
     * @param _day The day-of-month (a number in 1..31)
     */
    // WRITE THE CONSTRUCTOR HERE
        
        
        
        
        
    /** Return a String representing this date in the US format
     *  (that is, month/day/year).  Includes leading zeroes.
     *  @return a String representing this date in the ISO format
     */  
    String toStringUS() {
        return "REPLACE this stub with your code";
        }

    /** Return a String representing this date in the european format
     *  (that is, day-month-year).  Includes leading zeroes.
     *  @return a String representing this date in the ISO format
     */  
    String toStringEuro() {
        return "REPLACE this stub with your code";
        }

        
    /** Return a String representing this date in the ISO format
     *  (that is, year.month.day).  Includes leading zeroes.
     *  @return a String representing this date in the ISO format
     */  
    String toStringISO() {
        return "REPLACE this stub with your code";
        }
        
    
       
     /** Convert an int into a String, padded as necessary with a leading "0"
      * so that it is at least 2 characters long.
      * @param n The number to convert to a (padded) String.
      * @return A string of length at least 2, representing n.
      */
     String intToStringPad2( int n ) {
       String nStr = (new Integer(n)).toString();
       if ((0 <= n) && (n < 10)) {
         return "0" + nStr;
         }
       else {
         return nStr;
         }
       }
    
    }