Question 1 : Implement the following using operating system . a)Write a thread that creates a child thread. The child thread input a number from user and

determine whether it is even or odd. The parent thread should cancel the child thread if user

enters 5 odd numbers.

b)Write a program that input two numbers and an operation from user. The parent thread create thread to perform the required operation while the main thread should call pthread_join () to wait for the child thread. Main thread displays the result.