/*
Task: Problem 6.10
Date: Dec 25, 2020
Author: aLittleLove (Minh Vu)
*/

#include<bits/stdc++.h>

using namespace std;
const int N = 2e5 + 5;

int a[N];

int main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    //freopen("input.txt","r",stdin);
    int m, n; cin >> m;
    for (int i=0; i<m; i++) cin >> a[i];
    cin >> n;
    for (int i=m; i<m+n; i++) cin >> a[i];
    sort(a, a+m+n);
    for (int i=0; i<m+n; i++) cout << a[i] << " ";
    return 0;
}