Write a C$++$ program called Lab$4$A$.$cpp that does the following: Prompts for and reads in two character variables a and b using printf and scanf appropriately Prompts for and reads in two integer variables c and d using printf and scanf appropriately Prompts for and reads in two double variables e and f using printf and scanf appropriately Prints out all variables that the user just entered and a meaningful sentence $($e$.$g$.,$ You just entered $)$ using printfo Display variable f in scientific format