#include <iostream>
using namespace std;

int main() {
    int len1, len2;

    cin >> len1;
    int array1[4];

    for (int i = 0; i < len1; i++) {
        cin >> array1[i];
    }

    cin >> len2;
    int array2[5];

    for (int i = 0; i < len2; i++) {
        cin >> array2[i];
    }

    int merged[9];
    for (int i = 0; i < len1; i++) {
        merged[i] = array1[i];
    }
    for (int i = 0; i < len2; i++) {
        merged[len1 + i] = array2[i];
    }

    for (int i = 0; i < (len1 + len2) - 1; i++) {
        for (int j = 0; j < (len1 + len2) - i - 1; j++) {
            if (merged[j] > merged[j + 1]) {
                int temp = merged[j];
                merged[j] = merged[j + 1];
                merged[j + 1] = temp;
            }
        }
    }

    for (int i = 0; i < len1 + len2; i++) {
        cout << merged[i] << " ";
    }
    cout << endl;

    return 0;
}