using System;

using System.Linq;

namespace CommonElements

{

    class CommonElements

    {

        static void Main(string[] args)

        {

            string[] arrayOfStrings1 = Console.ReadLine().Split().ToArray();

            string[] arrayOfStrings2 = Console.ReadLine().Split().ToArray();

            for (int i = 0; i < arrayOfStrings2.Length; i++)

            {

                for (int j = 0; j < arrayOfStrings1.Length; j++)

                {

                    if (arrayOfStrings2[i] == arrayOfStrings1[j])

                    {

                        Console.Write($"{arrayOfStrings2[i]} ");

                    }

                }

            }

        }

     }

}