// Written by Hosung Leo Kim

#include <iostream>
#include <fstream>

using namespace std;

int main()
{
  char     fileName[30];
  ifstream ifs;
  int      value;
  
  cout << "File name? ";
  cin >> fileName;
  
  ifs.open( fileName );
  
  if ( !ifs.is_open() )
  {
    cout << "Opening the file for input failed. Bye" << endl;
    exit(1);
  }
  
  while( ifs >> value )
  {
    cout << value << " ";
  }
  cout << endl;
  
  ifs.close();
  
  return 0;
}

/*
/homes/home30/hkim16/107a> a.out
File name? lab8a.data
30 50 10 80 40 20 60
/homes/home30/hkim16/107a>
*/