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	#include <iostream>
	#include <cmath>
	using namespace std;

	int main()
	{
	cout << "Entre un nombre entier !" << endl;
	int n;
	cin >> n;
	if (n%2 == 0) {
	cout << "L'entier est pair." << endl;
	}
	else {
	float R(floor(sqrt(n)));
	for (int i(3); i <= R; i++) {
	if (n%i == 0) {
	cout << n << " est divisible par " << i << "." << endl;
	return 0;
	}
	}
	cout << n << " est premier." << endl;
	}

	return 0;
	}