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import java.util.*;
import java.io.*;
public class GetCommon{
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int a[] = new int[n];
int b[] = new int[n];
for(int i = 0; i <n; i++){
b[i] = sc.nextInt();
}
for(int i = 0; i <n; i++){
a[i] = sc.nextInt();
}
HashMap<Integer, Integer> hm = new HashMap<>();
for(int val: a){
if(hm.containsKey(val)){
int of = hm.get(val);
int nef = of+1;
hm.put(val, nef);
}
else{
hm.put(val, 1);
}
}
for(int val: b){
if(hm.containsKey(val) && hm.get(val) > 0){
System.out.println(val);
int of = hm.get(val);
int nf = of-1;
hm.put(val, nf);
}
}
}
}
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