#include <iostream>
#include <string>
#include <vector>
using std::cout;
using std::endl;
using std::string;
//using namespace std;

bool Isprime(int x)
{
	bool prime = true;

	for (int i = 2; i <= x / i; i++)
	{
		if (int(x / i)*i == x)
		{
			prime = false;
			break;
		}

	}


	return prime;
};

bool Is_two_more_prime(int& x)
{
	x = x + 2;
	return Isprime(x);
};



int main()
{	
	int number = 11;
	cout << "The number is " << number << endl;

	cout << "Is prime? " << Isprime(number) << endl;

	cout << "The number is " << number << endl;


	cout << "Is two more prime? " << Is_two_more_prime(number) << endl;


	cout << "The number is " << number << endl;
	
	return 0;
}