Description is Pathetic

Limits: 1111h6m40s, 1.0 GB

Do you know what is the hardest part of creating a problem? Thinking and writing the description. You have to think a lot how you should represent a story so that the contestants can easily understand the problem. A problem is read by at least 3 or 4 persons before the contest starts to make sure that there is no confusion in the problem statement. But, alas!!! We still get clarifications! So, what I decided for this problem is, there will be no story and the problem should be very straight forward. Let’s solve the following problem then:

This is a companion discussion topic for the original entry at