Sahil in trouble!!!

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Sahil again failed in mathematics test. So his teacher decided to punish him by giving him a homework problem. Consider the set **S** consisting of non negative powers of three **S={1,3,9,27,...}**. Consider the sequence of all subsets of **S** ordered by the value of the sum of their elements. Now his teacher gave him **q** queries each consisting of a single element **n**. For each query Sahil

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