#include <iostream>

using namespace std;

class intArray {
private:
	size_t size_;
	size_t i;
	size_t mass;
	int *data_;
	void resize () {
		int *data_new = new int[(size_ + 1) ];
		for (int j = 0; j < size_; j++) {
			data_new[j] = data_[j];
		}
		delete[]data_;
		data_ = data_new;

		return;

	}
public:
	intArray () {
		size_ = 0;
		mass = 0;
		i = 0;
	}
	void get (size_t i) {
		cout << data_[i] << endl;
		return;
	}
	void set (size_t i, int num) {
		data_[i] = num;
		return;
	}
	void push (int num) {
		if (mass >= size_) {
			resize ();
		}
		bool flag = 1;
		for (int i = 0; i < size_; i++)
			if (num == data_[i]) {
			flag = 0;
			break;
			}
		if (flag == 1){
			data_[size_] = num;
			size_++;
		}
		mass++;
		return;
	}
	void empty () {
		if (size_ == 0)
			cout << "True" << endl;
		else cout << "False" << endl;
		cout << endl;
		return;
	}
	void output () {
		for (int i = 0; i < size_; i++) {
			cout << data_[i] << '\t';
		}
		cout << endl;
		return;
	}
	size_t size () {
		return size_;
	}
	intArray& operator=(intArray right) {
		size_ = right.size_;
		mass = right.mass;
		for (int i = size_; i < right.size_; i++)
			resize ();
		for (int i = 0; i < size_; i++)
			data_[i] = right.data_[i];
		return *this;
	}
	intArray &operator+(intArray right) {
		for (int i = 0; i < right.size_; i++){
			push (right.data_[i]);
			}
		return *this;
	}
};
int main () {
	int n;
	cin >> n;
	int *a = new int[n];
	for (int i = 0; i < n; i++)
		cin >> a[i];
	int n1;
	cin >> n1;
	int *a1 = new int[n1];
	for (int i = 0; i < n1; i++)
		cin >> a1[i];
	intArray m;
	for (int i = 0; i < n; i++) {
		m.push (a[i]);
	}
	intArray m1;
	for (int i = 0; i < n1; i++) {
		m1.push (a1[i]);
	}
	intArray m2;
	m.output ();
	cout << endl;
	m = m+ m1;
	m.output ();
	system ("pause");
	return 0;

}