You're writing a program to play a variety of BlackJack. In general, given two numbers,
b, return their sum.
If the sum is greater than
0, unless one of the numbers is
11. In such a case, the
11 should be 'converted' to a
1 to prevent the sum from being exceeded.
For example, given a
13 as input, the
11 should be 'converted' into a
1 so the total sum will be
(See additional input/output below.)
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