#include <bits/stdc++.h>
using namespace std;
int a[100010], b[100010], c[200010];
int main() {
int n, m;
cin >> n >> m;
for (int i = 1; i <= n; i++) {
cin >> a[i];
c[i] = a[i];
}
int t = n;
for (int i = 1; i <= m; i++) {
cin >> b[i];
c[t + i] = b[i];
}
sort(c + 1, c + n + m + 1);
for (int i = 1; i <= n + m; i++) {
cout << c[i] << " ";
}
return 0;
}