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Discussion of Problem 1327. Fuses

For 2 4 it should be days 2 and 4.
For 100 200 it shoould be 100, 102...148(count must be 25 already)...200(count is 51).
Janus brokes fuses every ODD day. There is 1 odd day in interval [2..4]
Hmm... I see that I just did not understand the task clearly. For me it was like day 2 is the first day, but it is just the starting point of counting... Thanks.