Chef and Expired Food

You have been appointed as Chef’s assistant cook at his restaurant. You are given N food packets $f1, f2, f3…fn$ where $fx$ is their id. The Chef then gives you a list of M ids that are expired $q1, q2, q3…qm$. Your task is to find all the unexpired food packets’ ids and print them in ascending order. ### Input - The first line of each input contains an integer $N$, the number of food packets. -