// Example program
#include <iostream>
#include <string>

using namespace std;

class D{
    public:
        D() {cout << "D0 ";}
        D(int a) {cout << "D1 ";}
};

class E{
    private:
    D d;
    public:
    E() : d(3) {cout << "E0 ";}
    E(double a, int b) {cout << "E2 ";}
    E(const E& a) : d(a.d) {cout << "Ec ";}
};

class C{
  private:
  int z;
  E e;
  D d;
  E* p;
  public:
  C() : p(0), e(), z(4) {cout << "C0 ";}
  C(int a, E b) : e(3.7, 2), p(&b), z(1), d(3) {cout << "C1 ";}
  C(char a, int b) : e(), d(2), p(&e) {cout << "C2 ";}
};


int main()
{
    E e; cout << endl;
    C c; cout << endl;
    C c1(1, e); cout << endl;
    C c2('b', 2); cout << endl;
}