Answer
Please see the work below.
Work Step by Step
We can find the required number of grams of Sulfur as follows:
$246g\space Hg\times \frac{1mol\space Hg}{200.6g\space Hg}\times \frac{1mol\space S}{1mol Hg}\times \frac{32.07g\space S}{1mol\space S}=39.3g\space S$