using System;

public class Program

{

    static bool isPrime(int x) {

        for (int i = 2; i < x; i++){

            if (x % i == 0)

                return false;

        }

        return true;

    }

    public static void Main()

    {   Console.WriteLine("All prime numbers from 2 to 500:");

        for (int i = 2; i <= 500; i++){

            bool a = isPrime(i);

            if (a == true) {

                Console.WriteLine("{0}",i);

            } 

        }

    }

}