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var canMeasureWater = function (jug1Capacity, jug2Capacity, targetCapacity) {
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  const gcd = (x, y) => (y === 0 ? x : gcd(y, x % y));
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  return (
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    jug1Capacity + jug2Capacity >= targetCapacity &&
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    targetCapacity % gcd(jug1Capacity, jug2Capacity) === 0
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  );
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};