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var superPow = function (a, b) {
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  const MOD = 1337;
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  const pow = (num, n) => {
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    let result = 1;
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    for (let index = 0; index < n; index++) {
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      result = (result * num) % MOD;
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    }
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    return result;
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  };
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  return b.reduceRight((result, n) => {
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    a %= MOD;
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    const powNum = (result * pow(a, n)) % MOD;
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    a = pow(a, 10);
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    return powNum;
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  }, 1);
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};