#include <iostream>

using namespace std;

class TypeA{
    public:
       TypeA()=  delete;
       TypeA(int d) {
          data = d;
       }

       void SetData(int d) {
           data = d;
       }
    private:
       int data = 4;
};

/*
class TypeB{
    public:
      TypeB() {
        noCanDo.SetData(99);
      }
    private:
        TypeA noCanDo;
};
*/

class TypeC{
    public:
      TypeC(): canDo(99) {
      }

    private:
        TypeA canDo;
};

class TypeE {
   public:
      TypeE(int d) {
         data = d;
      }

      int Data() const {
          return data;
      }

   private:
      int data;
      
};

class TypeF {
   public:
      TypeF(int s=-99): sum(s), value(sum) {
         cout << " in constructor " << endl;
         cout << "sum = " << sum << endl;
         cout << "value.Data() = " << value.Data() << endl;
         return;
      }
   private:
       TypeE value;
       int sum;
};


int main() {
   //TypeB a;
   TypeC b;
   TypeF x(10000);

   return 0;
}