int main()
{
	int i, j, x1, y1, x2, y2, a[100][100], b[100][100], c[100][100];
	cin >> x1 >> y1;
	for (i = 0; i < x1; i ++)
		for (j = 0; j < y1; j ++)
			cin >> a[i][j];
	cin >> x2 >> y2;
	for (i = 0; i < x2; i ++)
		for (j = 0; j < y2; j ++)
			cin >> b[i][j];
	if (y1 != x2)
	{
		cout << "Input error";
		return 0;
	}
	for (i = 0; i < x1; i ++)
		for (j = 0; j < y2; j ++)
		{
			int sum = 0;
			for (int k = 0; k < y1; k ++)
				sum += a[i][k] * b[k][j];
			c[i][j] = sum;
		}
	for (i = 0; i < x1; i ++)
	{
		for (j = 0; j < y2 - 1; j ++)
			cout << c[i][j] << ' ';
		cout << c[i][y2 - 1] << endl;
	}
	return 0;
}