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

using namespace std;

struct inputsystem
{ string line;
  int pos; };

void init(inputsystem & is)
{ getline(cin, is.line);
  is.pos = 0; }

char readch(inputsystem & is)
{ while (true)
  { if (is.pos >= is.line.length())
    { is.pos += 1;
      return '\n'; }
    if (is.line[is.pos] != ' ')
      break;
    is.pos += 1; }
  is.pos += 1;
  return is.line[is.pos - 1]; }

void unreadch(inputsystem & is)
{ is.pos -= 1; }

string read(inputsystem & is)
{ char c = readch(is);
  if (c == '\n')
    return "\n";
  string symbol = "";
  symbol += c;
  c = readch(is);
  if (c >= 'a' && c <= 'z')
    symbol += c;
  else
    unreadch(is);
  return symbol; }

struct element
{ int atno;
  string symbol;
  string name;
  double atwt; };

int readfile(element A[], int max)
{ ifstream f("/home/www/class/een118/a3010b.txt");
  if (f.fail())
  { cout << "Can't read the data file\n";
    exit(1); }

  int pos = 1;
  while (true)
  { if (pos >= max)
    { cout << "The array isn't big enough\n";
      exit(1); }
    f >> A[pos].symbol >> A[pos].name >> A[pos].atwt;
    if (f.fail())
      break;
    A[pos].atno = pos;
    pos += 1; }

  f.close();

  A[0].atno = 0;
  A[0].symbol = "Error";
  A[0].name = "Error";
  A[0].atwt = 0.0;

  return pos - 1; }

void printtable(element A[], int N)
{ for (int i = 1; i <= N; i += 1)
    cout << i << ": " << A[i].atno << " " << A[i].symbol << " " << A[i].name << " " << A[i].atwt << "\n"; }

element find(string wanted, element A[], int num)
{ for (int i = 1; i <= num; i += 1)
    if (A[i].symbol == wanted)
      return A[i];
  return A[0]; }

int main()
{ const int arraysize = 200;
  element table[arraysize];
  int number = 0;

  number = readfile(table, arraysize);

  while (true)
  { cout << "? ";
    inputsystem I;
    init(I);
    while (true)
    { string sym = read(I);
      if (sym == "\n")
        break;
      element r = find(sym, table, number);
      if (r.atno == 0)
        cout << "Element " << sym << " is unknown\n";
      else
        cout << r.atno << " " << r.symbol << " " << r.name << " " << r.atwt << "\n"; } } }