#include <iostream>
#include <string>
using namespace std;

class Distance                    //English Distance class
   {
   private:
      int feet;
      float inches;
      
   public:
      class InchesException              //exception class
          {
          public:
             string origin;       
             float iValue;        

             InchesException(string org, float inc)      // cosntructor
             { origin = org; iValue = inc;   }
             
          };  
      



      Distance()                  //constructor (no args)
         { feet = 0; inches = 0.0; }


      Distance(int ft, float in)  //constructor (two args)
         {
         if(in >= 12.0)
            throw InchesException("2-arg constructor", in);
         feet = ft;
         inches = in;
         }


      void getdist()              //get length from user
	      {
	      cout << "\nEnter feet: ";  cin >> feet;
	      cout << "Enter inches: ";  cin >> inches;
         if(inches >= 12.0)
            throw InchesException("getdist() function", inches);
	      }


      void showdist()             //display distance
	      { cout << feet << "\'-" << inches << '\"'; }
   };

////////////////////////////////////////////////////////////////
int main()
{
   char ch = 'y';
   while (ch=='y')
   {
      try
      {
         Distance dist1(17, 13.5);    //2-arg constructor
         Distance dist2;             //no-arg constructor
         dist2.getdist();            //get value
                                  //display distances
         cout << "\ndist1 = ";  dist1.showdist();
         cout << "\ndist2 = ";  dist2.showdist();
      }
      catch(Distance::InchesException ix)   //exception handler
      {
         cout << "\nInitialization error in " << ix.origin
              << ".\n   Inches value of " << ix.iValue
              << " is too large." << endl;
      }
      
   cout << "\nWould you like to enter another distance? y or n ";
   cin >> ch;
   }  // end while loop
   return 0;
}