using System;

class PrimeNumbers
{
    static void Main()
    {
        Console.Write("Check prime numbers to:");
        int cicle = int.Parse(Console.ReadLine());
        if (cicle == 1)
        {
            Console.WriteLine("1-Prime? False");
        }
        int first = 1;
        int number = 2;
        while (first <= cicle - 1)
        {
            int divider = 2;
            double maxDivider = Math.Sqrt(number);
            bool prime = true;
            while (divider <= maxDivider)
            {
                if (number % divider == 0)
                {
                    prime = false;
                }
                divider++;
            }
            Console.WriteLine("{0}-Prime? {1}", number, prime);
            number++;
            first++;
        }
    }
}