Write a program to display a calculation game. the game is a question either addition or subtraction for the numbers between 1 and 100. the user needs to answer at least three questions right to pass the game. in each time, generate two random integers, inta and intb, between 1 and 100. then, generate a integer 1 or 2 (between 1 and 2). if the third number is 1, it is an addition question. otherwise, it is a subtraction question. display the question to the user. then, ask the user to enter an answer. if the answer is right, display a message and count one into the number of answering correctly. if the answer is wrong, display a message and do not count one to the number of right answers. this is an example of how it displays a question to the user