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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("cmlsc.in");
ofstream fout("cmlsc.out");
int n,m,a[1025],b[1025],dp[1025][1025];
void parcurgere()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
if(a[i]==b[j])
{
dp[i][j]=dp[i-1][j-1]+1;
}
else dp[i][j]=max(dp[i-1][j],dp[i][j-1]);
}
}
}
void citire()
{
fin>>n>>m;
for(int i=1;i<=n;i++)
{
fin>>a[i];
}
for(int j=1;j<=m;j++)
{
fin>>b[j];
}
}
void initializare()
{
for(int i=0;i<=n;i++)
{
dp[i][0]=0;
}
for(int j=0;j<=m;j++)
{
dp[0][j]=0;
}
}
void elem(int i,int j)
{
if(dp[i][j]==0)
{
return;
}
if(a[i]==b[j])
{
elem(i-1,j-1);
fout<<a[i]<<" ";
}
else
{
if(dp[i-1][j]>dp[i][j-1])
elem(i-1,j);
else
elem(i,j-1);
}
}
int main()
{
citire();
initializare();
parcurgere();
elem(n,m);
return 0;
}