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CodeChefRating 1549Open on judge ↗

Chef is a very experienced and well-known cook. He has participated in many cooking competitions in the past — so many that he does not even remember them all. One of these competitions lasted for a certain number of days. The first day of the competition was day $S$ of the week (i.e. Monday, Tuesday etc.) and the last day was day $E$ of the week. Chef remembers that the duration of the competiti

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solution.cppC++17

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