public class MyDate {

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

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

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

    public void advance() {//91.1
        day++;
        if (this.day > 30) {
            this.day = 1;
            this.month++;
            if (this.month > 12) {
                this.month = 1;
                this.year++;
            }
        }

    }


     public void advance(int numberOfDays) {//91.2
        for (int i = 1; i <= numberOfDays; i++) {
            this.advance();

        }

    }

    public MyDate afterNumberOfDays(int days) {//91.3

        MyDate newMyDate = new MyDate(day, month, year);

        for (int i = 1; i <= days; i++) {
            newMyDate.advance(days);

        }
        return newMyDate;

    }



    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;
    }

}