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Walter white sells drugs in packets whose weights are always power of $2$. There are $N$ customers and each of them have these packets. For each customer, you are given the weights of the packets (i.e. $p$ if weight is $2^p$). Let $W_{i}$ be the total weight of drugs $i^{th}$ customer has right now. Also, you are given another number $X$ and each customer will pay for the drugs if and only if Jess