// Alicia Thorsen
// bmi.C
// 1/18/08
//
// Calculates a person's Body Mass Index (BMI) using his/her weight and height.
// Outputs the corresponding weight category for the given BMI.

#include <iostream>
using namespace std;

int main() {

  double weight = 0, height = 0, bmi = 0;
  int heightFt = 0, heightIn = 0;
  char temp;
  
  // Get user's weight and height
  cout << "\nEnter weight in lbs: ";
  cin >> weight;
  cout << "Enter height (e.g. 5'7\"): ";
  cin >> heightFt >> temp >> heightIn >> temp;
  
  // Convert to metric units
  weight /= 2.2;
  height = ((heightFt * 12) + heightIn) * 0.0254;
  
  // Calculate and output BMI
  bmi = weight / (height * height);
  cout.setf(ios::fixed | ios::showpoint);
  cout.precision(1);
  cout << "\nYour BMI is " << bmi << ".\n";
  
  // Output BMI category
  cout << "Based on your BMI, ";
  if (bmi < 18.5)
    cout << "you are underweight.";
  else if (bmi < 25)
    cout << "your weight is normal.";
  else if (bmi < 30)
    cout << "you are overweight.";
  else 
    cout << "you are obese.";

  cout << endl << endl;
  return 0;
}