import java.util.Calendar;


public class MyDate {

    private int day;
    private int month;
    private int year;

    public MyDate(int pv, int kk, int vv) {
        this.day = pv;
        this.month = kk;
        this.year = vv;
    }



    public String toString() {
        return this.day + "." + this.month + "." + this.year;
    }



    public boolean earlier(MyDate compared) {
        if (this.year < compared.year) {
            return true;
        }

        if (this.year == compared.year && this.month < compared.month) {
            return true;
        }

        if (this.year == compared.year && this.month == compared.month
                && this.day < compared.day) {
            return true;
        }

        return false;
    }

    /*
     * In assignment 92 method differneceInYears was added to MyDate
     * Copy the method here since it eases this assignment considerably.
     */
    public int differneceInYears(MyDate compared) {
        if(this.earlier(compared)){
            return differenceWhenThisEarlier(compared);
        }

        int minusOneYear = 0;
        if (this.month < compared.month) {
            minusOneYear = 1;
        } else if (this.month == compared.month && this.day < compared.day) {
            minusOneYear = 1;
        }
        return this.year - compared.year - minusOneYear;
    }

  private int differenceWhenThisEarlier(MyDate compared)
  {
      int minusOneYear = 0;

      if(compared.month < this.month){
          minusOneYear = 1;
      }
      else if (compared.month == this.month && compared.day < this.day){
          minusOneYear = 1;
      }

      return compared.year - minusOneYear;
  }
}