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#include <fstream>
using namespace std;
ifstream fi ("cmlsc.in");
ofstream fo ("cmlsc.out");
int dp[1050][1050],a[1050],b[1050],i,j,n,m,k,sol[1050];
int main()
{
fi>>n>>m;
for (i=1;i<=n;i++) fi>>a[i];
for (i=1;i<=m;i++) fi>>b[i];
for (i=1;i<=n;i++)
{
for (j=1;j<=m;j++)
{
if (a[i]==b[j]) dp[i][j]=1+dp[i-1][j-1];
else dp[i][j]=max(dp[i-1][j],dp[i][j-1]);
}
}
// for (i=1;i<=n;i++)
// {
// for (j=1;j<=m;j++) fo<<dp[i][j]<<' ';
// fo<<'\n';
// }
i=n;
j=m;
for (i>=1;j>=1;)
{
if (a[i]==b[j]) {k++;sol[k]=a[i];i--;j--;}
else if (dp[i-1][j]>dp[i][j-1]) i--;
else j--;
}
for (i=1;i<=k;i++) fo<<sol[k-i+1]<<' ';
return 0;
}