/***************************************************************************
                          main.cpp  -  description
                             -------------------
    begin                : Thu Aug 29 02:15:55 BDT 2002
    copyright            : (C) 2002 by Mahbub Murshed Suman
    email                : suman@bttb.net.bd
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/


#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <cctype>
#include <malloc.h>
#include <cmath>
#include <cstring>
#include <ctime>
#include <strstream>
#include <string>
#include <stdexcept>

using namespace std;

#include "BigInteger.h" 
// put BigInteger.h in the same folder
// if you want to submit to UVa judge, copy all the content of BigInteger.h
// and paste it here...

using namespace BigMath; // compulsory

int main() {
  char str[1000];
  cin >> str; // read in as string
  if (strcmp(str,"0") == 0) // some problem with 0...
    cout << "hm...zero..." << endl;
  else {
    BigInteger& n = *new BigInteger(str);
    // at this point, virtually you can do anything with n
    // n + 100000000000000, n - 200000, n * 200000000000000, n / 30000, etc...
    cout << n << endl;
  }
  return 0;
}