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

using namespace std;

int main()
{ string symbols[120], names[120];
  int atnos[120];
  double atwts[120];
  ifstream elf;
  elf.open("new.txt");
  if (elf.fail())
  { cout << "Can't open the file\n";
    exit(1); }
  int pos = 0;
  while (true)
  { string symbol, name;
    int atno;
    double atwt;
    elf >> symbol >> name >> atno >> atwt;
    if (elf.fail())
      break;
    symbols[pos] = symbol;
    names[pos] = name;
    atnos[pos] = atno;
    atwts[pos] = atwt;
    pos += 1; }
  elf.close();
  while (true)
  { string wanted;
    cout << "Enter a symbol: ";
    cin >> wanted;
    if (cin.fail())
      break;
    bool found = false;
    for (int i = 0; i < pos ; i += 1)
    { if (symbols[i] == wanted)
      { cout << "Symbol: " << symbols[i] << "\n";
        cout << "Name " << names[i] << "\n";
        cout << "atomic number: " << atnos[i] << "\n";
        cout << "atomic weight: " << atwts[i] << "\n";
        found = true; } }
    if (found == false)
    { cout << "Symbol " << wanted << " was not found\n";
      exit(1); } } }