#include <iostream>
#include<cstring>
#include<fstream>
#define MAX 1025
using namespace std;
ifstream fin("cmlsc.in");
ofstream fout("cmlsc.out");
unsigned int a[MAX],b[MAX],x[MAX][MAX],v[MAX];
int main()
{
    int n,m,i,j,k=0;
    fin>>n>>m;
    for(i=1; i<=n; i++)
        fin>>a[i];
    for(j=1; j<=m; j++)
        fin>>b[j];
           for(i=1;i<=n;i++)
           {
           for(j=1;j<=m;j++)
           {
           if(a[i]==b[j])
           {
           x[i][j]=x[i-1][j-1]+1;
       }
           else
           {
           x[i][j]=max(x[i-1][j],x[i][j-1]);
       }
       }
       }
           i=n;
           j=m;
           while(i>0 && j>0 && x[i][j]>0)
           {
           if(a[i]==b[j])
           {
           v[++k]=a[i];
           i--;
           j--;
       }
           else
           {
           if(x[i-1][j]>x[i][j-1])
           {
           i--;
       }
           else
           {
           j--;
       }
       }
       }
           for(i=k;i>=1;i--)
           {
           fout<<v[i]<<" ";
       }
           fin.close();
           fout.close();
           return 0;
       }