13. Determine the number of ways to make the timetable

For a class, a professor has to prepare a time table for the exam. There are 8 subjects. The number of days allotted for the exam is 5. Exams can be conducted in morning session or afternoon session or both. What is the total number of time tables can be framed?

 

 

In 90788082 ways the professor can make the time table for the exam.