// Copyright (c) 2012 by Bash Vi
// This code is released under the terms
// of the WTFPL (What the Fuck Pulic License) version 2.0
// http://sam.zoy.org/wtfpl/

// Converts a string of up to 8
// 1es and 0es to the matching (ASCII) character
#include <bitset>
#include <string.h>
#include <iostream>
#include <cstring>

using namespace std;

int main(int ac, char* av[])
{
  if(strlen(av[1]) < 9)
  {
    unsigned char a;
    // put input into a string
    string str(av[1]);
    try{
      bitset<8> bs(str);
      //cout << bs.to_string() << endl; // debug statement
      memcpy(&a, &bs, 1);
      cout << a << endl;
    }
    catch (exception e)
    {
      cout << "You may only enter 1s and 0z!" << endl;
    }
  }
  else
  {
    cerr << "array too long" << endl;
  }

  return 0;
}