Given Two integers a , b , find The sum of them , BUT You are not allowed to use the operators + and -
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The numbers (a,b) may be positive , negative values or zeros .
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Returning value will be an integer .
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Java: the following methods are prohibited: addExact, average, collect, decrement, increment, nextAfter, nextDown, nextUp, reduce, subtractExact, sum, summing . The following classes are prohibited: BigDecimal and BigInteger .
1- Add (5,19) ==> return (24)
2- Add (-27,18) ==> return (-9)
3- Add (-14,-16) ==> return (-30)