#include <iostream>

using namespace std;

template <typename T>
void createMas(T**& mas, int n) {
	mas = new T * [n];
	for (int i = 0; i < n; ++i) {
		mas[i] = new T[n];
		for (int j = 0; j < n; ++j) {
			cin >> mas[i][j];
		}
	}
}

template <typename T>
void printMas(T** mas, int n) {
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < n; ++j) {
			cout << mas[i][j] << " ";
		}
		cout << endl;
	}
}

template <typename T>
double averageAriphm(T** mas, int n) {
	int cnt = 0;
	double av_sum = 0;
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < n; ++j) {
			if (j > i) {
				cnt++;
				av_sum += mas[i][j];
			}
		}
	}
	av_sum /= cnt;
	return av_sum;
}

template <typename T>
void deleteMas(T** mas, int n) {
	for (int i = 0; i < n; ++i) {
		delete[] mas[i];
	}
	delete[] mas;
}

int main() {
	int** a;
	int n1;
	cin >> n1;
	createMas(a, n1);
	double** b;
	int n2;
	cin >> n2;
	createMas(b, n2);
	cout << averageAriphm(a, n1) << " " << averageAriphm(b, n2) << endl;
	cout << endl;
	printMas(a, n1);
	printMas(b, n2);
	deleteMas(a, n1);
	deleteMas(b, n2);
	return 0;
}