Not sure what you mean by change the mark. If you want to enter the year, the simplest is to replace the year with bracketed text like:
[Enter year]
Thank you for answer
He found the solution in the picture
Now Ward showed that the days of 1 to 31 in the headlines no matter how many days of the month whether there is data in this Alioune or not
Because they appear only days that the data
And I want to show a full-day month and normalize specifically from 1 to 31, whatever the number of days of the month