#include <cstdlib>
#include <iostream>

using namespace std;

bool isPrime(int prime);
int main(int argc, char *argv[])
{   
    int prime;
    cout << "Enter an integer: ";
    cin >> prime;
    //bool isPrime(prime);
    if (isPrime(prime)) {
       cout << prime << " is a prime number." << endl;
}
    else {
         cout << prime << " is not a prime number." << endl;
         }
    //system("PAUSE");
    return EXIT_SUCCESS;
}
bool isPrime(int prime){
    for (int divisor = 2; divisor <=prime/2; divisor++) {
        if (prime%divisor==0)
        return 0;
           }
           return true;
        }