#include <iostream>
using namespace std;
#define _USE_MATH_DEFINES
#include <math.h>
int main(void)
{
  int x;
  cout << "Podaj x =";
  cin >> x;
  cout << "Pierwiastek z " << x << " wynosi " << sqrt(1.0*x) << endl << endl;
  for (int i = 1; i < x; i++)		cout << 2 * i << '\t';   cout << '\n';
  for (int i = 1; i < x; i++)		cout << 4 * i << '\t';   cout << '\n';  cout << '\n';
  system("pause");
}