# include <cstdlib>
# include <iostream>

using namespace std;

int main ( )
//
//  A bridge was a weight limit of LIMIT pounds.
//
//  A truck weighs 2000 pounds, and is carrying 1000 5 pound bricks.
//  How many bricks can the truck carry over the bridge?
{
  int bricks;
  int limit;
  int truck;

  cout << "Enter the weight limit on the bridge: ";
  cin >> limit;

  cout << "The bridge limit is " << limit << " pounds.\n";

  truck = 2000;
  bricks = 1000;

  while ( limit < truck + 5 * bricks )
  {
    bricks = bricks - 1;
//
//  Once we have reached 0 bricks, we shouldn't try to
//  go any lower!
//
    if ( bricks < 0 )
    {
      cerr << "\n";
      cerr << "The truck cannot cross!\n";
      exit ( 1 );
    }

  }

  cout << "Truck made the limit with " << bricks << " bricks.\n";
  cout << "Truck + bricks = " << truck + 5 * bricks << " pounds.\n";  

  return 0;
}