Problem of the Week #5

Thanks for participating in the previous Problem of The Week! We had a record number of submissions to the last problem, and received two correct solutions: we would like to congratulate Zachary Hancock for providing the first solution and also Sirish Pradhan for the second.

Now the fifth Problem of the Week is:

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Problem of The Week #4

Thanks for participating Problem of the Week #3 last week! We received two correct solutions, and the winner is Georgiy Klimenko, who gave the first solution. Brendan Caseria was the second.

This week’s problem is the following:

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