using System;

​

public class Program

{

    public static void Main()

    {

        string[] dennis = new string[] {"a","b","c","d"};

        int[] numbers = new int[] {1,2,3,4};

        foreach(string letters in dennis)

        {

            Console.WriteLine(letters);

        }

        foreach(int Numbers in numbers)

        {

            Console.WriteLine(Numbers);

        }

    }

}