#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("interclasare3.in");
ofstream fout("interclasare3.out");
int n,m,x,a[100001],b[100001],c[200002];

int main()
{
    fin>>n>>m;
    int nn=0;
    for(int i=1; i<=n; i++)
    {
        fin>>x;
        if(x>0&&x%2==0)
        {
            nn++;
            a[nn]=x;
        }
    }
    n=nn;
    int mm=0;
    for(int i=1; i<=m; i++)
    {
        fin>>x;
        if(x>0&&x%2==0)
        {
            mm++;
            b[mm]=x;
        }
    }
    m=mm;
    for(int i=1; i<=m/2; i++)
    {
        int t=b[i];
        b[i]=b[m-i+1];
        b[m-i+1]=t;
    }
    int i=1,j=1,k=1;
    while(i<=n&&j<=m)
    {
        if(a[i]<b[j])
        {
            c[k]=a[i];
            i++;
        }
        else
        {
            c[k]=b[j];
            j++;
        }
        k++;
    }
    if(i<=n)
        while(i<=n)
        {
            c[k]=a[i];
            k++;
            i++;
        }
    else
        while(j<=m)
        {
            c[k]=b[j];
            k++;
            j++;
        }
    for(int i=1; i<k; i++)
    {
        fout<<c[i]<<" ";
        if(i%20==0)
            fout<<"\n";
    }
    fout<<"\n";
    return 0;
}