/*
    Sample solution for St. Ives
    Steven J Zeil
 */


#include <fstream>
#include <iomanip>
#include <iostream>

using namespace std;







void stIves (istream& in)
{
  int multiplier;

  in >> multiplier;

  int total = 1; // man
  total += multiplier; // wives
  total += multiplier*multiplier; // sacks
  total += multiplier*multiplier*multiplier; // cats
  total += multiplier*multiplier*multiplier*multiplier; // kittens

  cout << total << endl;
}


int main (int argc, char** argv)
{
  if (argc == 1)
    stIves(cin);
  else
    {
      ifstream in (argv[1]);
      stIves (in);
    }
  return 0;
}