DWITE Online Computer Programming Contest, November 2007, Problem 1
In mathematics, a semiprime number is a natural number that is the product of exactly two prime numbers. For example: , , , , , , , are the first eight semiprime numbers. Given a set of numbers, one should be able to identify semiprime numbers contained in that set.
The input will contain five integers, one per line. .
The output will contain five lines, stating if the supplied integers were "semiprime" or "not". Use the exact string output, all lower case, without quotes.
2 3 4 5 6
not not semiprime not semiprime