using System;

public class Program

{

    public static void Main()

    {

        int[] numbers = {2, 3, 5, 7, 11, 13, 17, 19};

        foreach(int i in numbers)

        {

            Console.Write(" " + i);

        }

        Console.WriteLine();

        string[] towns = {"Plovdiv","Veliko Tyrnovo","Varna","Burgas"};

        foreach(string town in towns)

        {

            Console.Write(" " + town);

        }

    }

}