ই-মেইল দেওয়া


Niloy's two friends Sanjay and Fahim. Sanjay gives email to Niloy for $8$ days in a row and Fahim gives email to Niloy for $4$ days in a row. So how many days are there in $2020$ when Niloy receives emails from both of them?

(Niloy received emails from Sanjay and Fahim on December $31, 2019$)


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Attempt 362


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