#include <string>
#include <iostream>
#include <fstream>

using namespace std;

int main()
{ ifstream elf;
  elf.open("elements.txt");
  if (elf.fail())
  { cout << "Can't open the file\n";
    exit(1); }
  ofstream outf;
  outf.open("new.txt");
  int pos = 1;
  while (true)
  { string symbol, name;
    double atwt;
    elf >> symbol >> name >> atwt;
    if (elf.fail())
      break;
    outf << symbol << " " << name << " " << pos << " " << atwt << "\n";
    pos += 1; }
  cout << "All done\n"; 
  elf.close();
  outf.close(); }