An investigator interviewed $100$ students to determine the performance of three drinks milk, coffee and tea. The investigator reported that $10$ students take all three drinks milk, coffee and tea; $20$ students take milk and coffee, $30$ students take coffee and tea, $25$ students take milk and tea, $12$ students take milk only, $5$ students take coffee only and $8$ students take tea only. Then the number of students who did not take any of the three drinks is