#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

void function(int** array, int wiersze, int kolumny) {
	int* tablica_help = new int[kolumny];
	int* tablica_help2 = new int[kolumny];


	for (int i = 0; i < wiersze; i++) {

		if (i==0 || i % 2 == 0 && i!=wiersze-1) {
			tablica_help = array[i];
			tablica_help2 = array[i + 1];
			array[i] = tablica_help2;
			array[i + 1] = tablica_help;
		}
		else {
			if (i == wiersze - 1) {
				tablica_help = array[i];
				array[0] = tablica_help;
			}
		}


	}

		/*for (int j = 0; j < kolumny;j++) {
			int i = wiersze - 1;
			tablica_help[j] = array[i][j];
			cout << *tablica_help;
		}*/

	cout << endl;
}

int main()
{
	srand(time(NULL));
	int wiersze=0, kolumny=0;
	cin >> wiersze >> kolumny;
	//alokacja pamięci
	int** tablica = new int* [wiersze];
	for (int i = 0; i < wiersze; i++) {
		tablica[i] = new int[kolumny];
	}
	//wypelnianie wartosciami
	for (int i = 0; i < wiersze; i++) {
		for (int j = 0; j < kolumny; j++) {
			tablica[i][j] = rand() % 10 + 1;
		}
	}
	//wyświetlanie
	for (int i = 0; i < wiersze; i++) {
		for (int j = 0; j < kolumny; j++) {
			cout << tablica[i][j] << " ";
		}
		cout << endl;
	}
	function(tablica, wiersze, kolumny);
	//wyświetlanie
	for (int i = 0; i < wiersze; i++) {
		for (int j = 0; j < kolumny; j++) {
			cout << tablica[i][j] << " ";
		}
		cout << endl;
	}
	//usuwanie
	for (int i = 0; i < wiersze; i++) {
		delete[]tablica[i];
	}
	delete[]tablica;








	return 0;
}