#include<iostream>
using namespace std;
void primenumbers(int number)
{
	int count = 0;
	for (int i = 2; i <= number; i++)
	{

		if (number % i == 0)
		{
			count++;
		}

	}
	if (count == 1)
	{
		cout << "prime number\n";
	}
	else
	{
		cout << "not prime number\n";
	}

}
int main()
{
	primenumbers(499);

	cin.get();
	cin.get();
	return 0;
}