Editorial for WC '18 Contest 1 J1 - Homework
                Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
        Submitting an official solution before solving the problem yourself is a bannable offence.
The total time required to complete the assignments is  minutes. So, upon inputting the values 
, 
, and 
, we should check if 
, output 
Y if so, and output N otherwise.
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