using System;

public class Program

{

    public static void Main()

    {

         int n;

​

            Console.Write("Input size: ");

            n = Convert.ToInt32(Console.ReadLine());

​

            char[] array1 = new char[n];

            char[] array2 = new char[n];

            char[] holder = new char[n];

​

            Console.WriteLine("Array1: ");

​

            for (int i = 0; i < n; i++)

            {

                array1[i] = Convert.ToChar(Console.ReadLine());

            }

​

            Console.WriteLine("Array2: ");

​

            for (int i = 0; i < n; i++)

            {

                array2[i] = Convert.ToChar(Console.ReadLine());

            }

​

            holder = GetCommon(array1, array2);

​

            Console.WriteLine("The Common elements are: ");

​

            foreach (char element in holder)

            {

                Console.Write(element);

            }

            Console.Read();

        }

        static char[] GetCommon(char[] array1, char[] array2)

        {

            char[] common = new char[array1.Length];

            int index = 0;

​

            for (int i = 0; i < array1.Length; i++)

            {

                foreach (char element in array2)

                {

                    if (array1[i] == element)

                    {

                        common[index++] = array1[i];

                    }

                }

            }

            for (; index < array1.Length; index++)

            {

                common[index] = '$';

            }

            return common;

        }

​

​

    }

​