Greetings Codeforces↵
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I was stuck on this [Problem](https://www.hackerrank.com/contests/infinitum12/challenges/a-birthday-party) and it's editorial is also not clear enough. So if someone can explain how to solve this problem,it will be highly appreciated. ↵
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I was stuck on this [Problem](https://www.hackerrank.com/contests/infinitum12/challenges/a-birthday-party) and it's editorial is also not clear enough. So if someone can explain how to solve this problem,it will be highly appreciated. ↵
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