#include<iostream>
using namespace std;

class Distance {
  private:
   int feet; float inches;
  public:
    class InchesEx //exception class
    {
      public:
        string origin;  //for name of routine
        float iValue;   //for faulty inches value
      InchesEx(string str, float in)
      {
        origin = str;
        iValue = in;
      }
    }; 
    Distance()
    { feet = 0; inches = 0.0; }
    Distance(int ft, float in) {
      if(in >= 12.0) 
        throw InchesEx("2-arg constructor", in);
     feet = ft;   inches = in;
    }
    void getdist() {
      cout << "\nEnter feet: "; cin >> feet;
      cout << "Enter inches: ";
      cin >> inches;
      if(inches >= 12.0)
        throw InchesEx("getdist() function", inches);
    }
    void showdist() //display distance
    { cout << feet << " : " << inches<<endl; }
};  // Distance class

main()
{
    try{
    Distance dist1(17, 3.5); 
    Distance dist2; 
    dist2.getdist(); 
    cout << "\ndist1 = "; dist1.showdist();
    cout << "\ndist2 = "; dist2.showdist();
    }
    catch(Distance::InchesEx ix)
    {
    	cout << "\nInitialization error in " <<	ix.origin 
             << "\n Inches value of "       <<	ix.iValue << " is too large."<<endl;
    }
    system("pause");
}