using System;

class FindPrimeNumbers
{
    static void Main()
    {
        int[] numbers = new int[10000001];
        bool[] prime = new bool[10000001];
        for (int i = 2; i < 10000001; i++)
        {
            numbers[i] = i;
            prime[i] = true;
        }
        for (int i = 2; i < Math.Sqrt(10000000); i++)
        {
            for (int j = i*i; j < 10000001; j+=i)
            {
                prime[j] = false;
            }
        }
        for (int i = 0; i < 10000001; i++)
        {
            if (prime[i] == true)
            {
                Console.Write(numbers[i]);
                Console.Write(", ");
            }
        }
    }
}