package javaPrograms;
import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

public class SolutionRansom {
    static void checkMagazine(String[] magazine, String[] note) {
        int i,j;
        for(i=0;i<note.length;i++){
            for(j=0;j<magazine.length;j++){
                if(magazine[j]==note[i]){
                    System.out.println(note[i]);
                }
            }
        }

}
public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    int ml=sc.nextInt();
    int nl=sc.nextInt();
    String m[]=new String[ml];
    String n[]=new String[nl];
    for(int a=0;a<ml;a++) {
        m[a]=sc.next();
    }
    for(int b=0;b<nl;b++) {
        n[b]=sc.next();
    }
    checkMagazine(m,n);
}
}