2.12 Consider the following program: int x = 2, y = 3; c0 (x = x + y:) // ( =x*y:) (a) What are the possible final values of x and y? Exercises 85 (b) Suppose the angle brackets are removed and each assignment statement is now implemented by three atomic actions: read a variable, add or multiply, and write to a variable. Now what are the possible final values of x and y