#include <iostream>
#include <cstdlib>
#include <cmath>
using namespace std;
int main()
{
    int i, n, is_prime = true;
    cout << "Enter a number and press ENTER: ";
    cin >> n;
    i = ;
    while (i <= sqrt(float(n)))
    {
        )
        {
            is_prime = false;
        }
        i++;
    }
    if (is_prime)
    {
        cout << "number is prime";
    }
    else
    {
        cout << "number is not prime";
    }
    system("PAUSE");
    ;
}