# include <cstdlib>
# include <iostream>

using namespace std;

int main ( )
//
// QUADRANT.CPP reads X and Y values from a user and reports
//  whether the point (X,Y) is in
//
//               |
//    quadrant 2 | quadrant 1
//               |
//    -----------+----------------
//               |
//    quadrant 3 | quadrant 4
//               |
//
{
  float x, y;

  cout << "Enter the X and Y coordinates of a point: ";
  cin >> x >> y;
//
//  One way to do it.
//
  if ( 0.0 <= x )
  {
    if ( 0.0 <= y )
    {
      cout << "(" << x << "," << y << ") is in quadrant 1.\n";
    }
    else
    {
      cout << "(" << x << "," << y << ") is in quadrant 4.\n";
    }
  }
  else
  {
    if ( 0.0 <= y )
    {
      cout << "(" << x << "," << y << ") is in quadrant 2.\n";
    }
    else
    {
      cout << "(" << x << "," << y << ") is in quadrant 3.\n";
    }
  }
//
//  Another way.
//
  if ( 0.0 <= x && 0.0 <= y )
  {
    cout << "(" << x << "," << y << ") is in quadrant 1.\n";
  }
  else if ( x < 0.0 && 0.0 <= y )
  {
    cout << "(" << x << "," << y << ") is in quadrant 2.\n";
  }
  else if ( x < 0.0 && y < 0.0 )
  {
    cout << "(" << x << "," << y << ") is in quadrant 3.\n";
  }
  else
  {
    cout << "(" << x << "," << y << ") is in quadrant 4.\n";
  }
  return 0;
}