#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int N,M; cin >> N >> M;
    vector<int> S(N),T(M);
    for(auto &s : S) cin >> s;
    for(auto &t : T) cin >> t;
    T.push_back(-2);
    vector<vector<int>> dp(M+1,{1001001001});
    dp.at(0) = {};
    for(auto s : S){
        vector<int> hold = {-1};
        for(int i=0; i<=M; i++){
            vector<int> next = {-1};
            if(s == T.at(i)) next = dp.at(i);
            dp.at(i).push_back(s);
            if(hold.size() == 0 || hold.at(0) != -1) dp.at(i) = min(dp.at(i),hold);
            swap(hold,next);            
        }
    
    }

    for(auto &d : dp.at(M)) cout << d << " "; cout << endl;
}