Can anyone help me with this question

Question

Mr Yasir works at the Admission office in higher secondary school.

He has to calculate the age of the student, who has taken admission, to cross-check their documents. But he is very tired and he will not be able to complete his work without any help. Can you help him?Constrain:1<=roll_num<=1000a[1]<=name<=a[100]Input Formats:The first line indicates the Student name

the second line indicates the date of birth

The third line indicates the joining date output Formats: In the only line of output print the age of the student at the time of joining
this is the code I wrote: https://code.sololearn.com/cxk4Q8VBtXEt
I am getting the required output but I want these two test cases in my code
Test Case 1
&candidate.bd.D,&candidate.bd.M,&candidate.bd.Y
Test Case 2
candidate.ad.D,&candidate.ad.M,&candidate.ad.Y

Answer 1

What is ad, bd there? It missing details...