#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
int main(){
    vector<int> a,b;
    int na,nb;scanf("%d",&na); 
    int j1,j2;
    for(int i=0;i<na;i++){
        scanf("%d",&j1); 
        a.push_back(j1);
    }
    cin>>nb; 
    for(int i=0;i<nb;i++){
        scanf("%d",&j2); 
        a.push_back(j2);
        b.push_back(j2);
    }
    sort(a.begin(),a.end());
    vector<int>::iterator it=a.begin();
    for(;it<a.end();it++){
        cout<<*it<<" ";
    }
    return 0;
}