Find an odd integer with
such that
.
For any positive integer ,
is the number of integers between
and
inclusive that are coprime to
.
is the number of positive divisors of
.
Input Specification
There is no input for this problem.
Output Specification
Output .
Scoring
If your output is improperly formatted, is even, or
does not satisfy
and
, you will receive
points.
Otherwise, your score will be . For full points,
must be less than
.
Sample Output
6
Explanation
Note that and
, so this value of
satisfies
.
Unfortunately, this value of is not odd, so it would score
points.
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