#include<iostream>
#include<math.h>
#define MAXX 1001
#define SCALAR 0.4

using namespace std;

double Answer;

void DIFFERENCE(double **p, double **p2, int m, int n)
{
	for (int i = 0; i < m; ++i)
	{
		for (int j = 0; j < n; ++j)
			cout << p[i][j] - p2[i][j] << " ";
		cout << endl;
	}
}

void SUM(double **p, double **p2, int m, int n)
{
	for (int i = 0; i < m; ++i)
	{
		for (int j = 0; j < n; ++j)
			cout << p[i][j] + p2[i][j]<<" ";
		cout << endl;
	}
}

void PROD__SCAL(double **p, int m , int n , double SCAL )
{
	for (int i = 0; i < m; ++i)
	{
		for (int j = 0; j < n; ++j)
			cout << p[i][j] * SCAL<<" ";
		cout << endl;
	}
}

void TRANSPUSA(double **p, int m, int n)
{
	for (int i = 0; i <= n; ++i)
	{
		for (int j = 0; j <= m; ++j)
			cout << p[i][j] << " ";
		cout << endl;
	}
}

double** READ(int m, int n)
{
	double **s;
	s = new(nothrow)double*[m];
	for (int i = 0; i < m; ++i)
		s[i] = new(nothrow)double[n];
   for (int i = 0; i < m; ++i)
	for (int j = 0; j < n; ++j)
		cin >> s[i][j];
	return s;
}

void SHOW_MATRIX(double **p , int l, int c)
{
	for (int i = 0; i < l; ++i)
	{
		for (int j = 0; j < c; ++j)
			cout << p[i][j] << " ";
		cout << endl;
	}
}

void PROD_MATRICE(double **p, double **p2, int l1, int c1, int l2, int c2)
{

	if (c1 != l2) {
		cout << "Nu se poate efectua produsul ";
		exit(1);
	}

	for (int i = 1; i <= l1; ++i)
	{
		for (int j = 1; j <= c2; ++j)
		{
			Answer = 0;
			for (int KKK = 1; KKK <= c1; ++KKK)
				Answer = Answer + p[i][KKK] * p2[KKK][j];
			cout << Answer << " ";

		}
		cout << endl;
	}

}


int main()

{   //MERGE DOAR PENTRU MATRICI PATRATICE
	int m, n;
	cin >> m >> n;
	double** mat1 = READ(m, n);
	int m2, n2;
	cin >> m2 >> n2;
	double** mat2 = READ(m2, n2);
	SUM(mat1, mat2, m, n);
	cout << endl;
	DIFFERENCE(mat1, mat2, m, n);
	cout << endl;
	PROD__SCAL(mat1, m, n, SCALAR);
	cout << endl;
	TRANSPUSA(mat1, m, n);
	cout << endl;
	PROD_MATRICE(mat1, mat2, m, n, m2, n2);
	cout << endl;
	//SHOW_MATRIX(mat1, m, n);
	/*int m, n;
	int m2, n2;
	mat1 = new(nothrow)int *[m];
	for (int i = 0; i < m ; ++i)
		mat1[i] = new(nothrow) int[n];
	//aloc dimanic tabloul dimanic de elemente dinamice ( matrice )

	mat2 = new(nothrow)int*[m2];
	for (int i = 0; i < m2 ; ++i)
		mat2[i] = new(nothrow)int[n2];
	//aloc dimanic al doilea tabloul dimanic de elemente dinamice ( matrice )
	*/
	system("pause");
	return 0;
}