#include<iostream>
#include<vector>
int merge(int n1, std::vector <int> &vec1, int n2, std::vector <int> &vec2) {
  std::vector<int> vec(n1+n2);
  int a;
  for (int k1 = 0; k1 < n1; k1++) {
    vec[k1] = vec1[k1];
  }
  for (int k2 = 0; k2 < n2; k2++) {
    vec[n1 + k2] = vec2[k2];
  }
  for (int i = 0; i < n1 + n2 - 2; i++) {
    if (vec[i] > vec[i+1]) {
      a = vec[i];
      vec[i] = vec[i+1];
      vec[i+1] = a;
    }
  }
  return vec[n1+n2];
}

int main() {
  int n1;
  int n2;
  std::vector<int> vec1(n1);
  std::vector<int> vec2(n2);
  std::cin >> n1;
  for (int i = 0; i < n1; i++) {
    std::cin >> vec1[i];
  }
  std::cin >> n2;
  for (int j = 0; j < n2; j++) {
    std::cin >> vec2[j];
  }
  merge(n1, vec1, n2, vec2);
  int Answer[n1+n2];
  for (int q =0; q < n1 + n2; q++) {
    int vec[n1 + n2];
    Answer[q] = vec[q];
    std::cout << Answer[q] << " ";
  }
}