BlackJack II

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You're writing a program to play a variety of BlackJack. In general, given two numbers, a and b, return their sum.

If the sum is greater than 21, return 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 11 and 13 as input, the 11 should be 'converted' into a 1 so the total sum will be 14.

(See additional input/output below.)


image from wikipedia


Return the sum of two blackjack 'cards', as above.

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