1

using System;
using System.Linq;
using System.Collections.Generic;
namespace _2._Common_Elements
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] arr = Console.ReadLine().Split().ToArray();
            string[] arr2 = Console.ReadLine().Split().ToArray();
            List<string> match = new List<string>();
            for (int i = 0; i < arr2.Length; i++)
            {
                for (int j = 0; j < arr.Length; j++)
                {
                    if (arr[i] == arr2[j])
                    {
                        match.Add(arr2[j]);
                        break;
                    }
                }
            }
            Console.WriteLine(string.Join(" ", match));
        }
    }
}