#include <iostream>
#include <algorithm> 
#include <vector>
using namespace std;

int main() {
    int n = 0, m = 0;
    cin >> n >> m;
    vector<int> a(n + m); 
    for (int i = 0; i < n + m; ++i) 
    {
        cin >> a[i];
    }
    sort(a.begin(), a.end());
    for (int i = 0; i < n + m; i++) 
    {
        printf("%d ", a[i]);
    }
    return 0;
}