After bidding, the computer converts bids into balls (3 balls for 1point for A and 1 ball for 1 point for B).
Then the computer randomly draws a ball from the 'Bid Bag'.
If the computer draws 'A' ball, then A wins and gets the prize of 100 points and
if the computer draws a 'B' ball then B wins and gets the prize of 100 points.
Each type will also keep the points that are not bid.