Quiz no. 1 IF/THEN

Given 3 int values, a b c, return their sum. However, if one of the values is 13 then it does not count towards the sum and values to its right do not count. So for example, if b is 13, then both b and c do not count.
luckySum(1, 2, 3) → 6
luckySum(1, 2, 13) → 3
luckySum(1, 13, 3) → 1

Quiz no. 1 IF/THEN

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Please enter number "A"
Please enter number "B"
Please enter number "C"

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