#include<bits/stdc++.h>
using namespace std;
int n, m;
map<int, bool> mapp;
int a[101000000], b[101000000];
int main(){
    scanf("%d%d", &n, &m);
    for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); }
    for (int i = 1; i <= m; i++) { scanf("%d", &b[i]); mapp[b[i]] = true; }
    for (int i = 1; i <= n; i++) if (mapp[a[i]]) cout << a[i] << " ";
}

map映射