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/**
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 * @param {string} s
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 * @param {number} k
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 * @return {number}
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 */
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var getLucky = function (s, k) {
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  function alphabetPosition(text) {
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    var result = [];
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    for (var i = 0; i < text.length; i++) {
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      var code = text.toUpperCase().charCodeAt(i);
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      if (code > 64 && code < 91) result.push(code - 64);
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    }
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    return result;
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  }
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  let str = alphabetPosition(s).join("");
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  let sum = 0;
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  let newArr;
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  while (k > 0) {
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    newArr = str.split("");
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    sum = newArr.reduce((acc, e) => parseInt(acc) + parseInt(e));
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    str = sum.toString();
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    k--;
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  }
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  return sum;
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};