1/**2 * @param {number} a3 * @param {number} b4 * @return {number}5 */6var getSum = function (a, b) {7 if (a == 0) {8 return b;9 } else if (b == 0) {10 return a;11 } else {12 return getSum(a ^ b, (a & b) << 1);13 }14};
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