#include <stdio.h>
#include <iostream>
using namespace std;

class A
{
public:
  int val_a;
  A(int val=27)  {
    val_a = val;
    fprintf(stdout, "A:val = %d\n", val_a);
  }
};

class B
{
public:
  int val_b;
  B(int val=34)  {
    val_b = val;
    fprintf(stdout, "B:val = %d\n", val_b);
  }
};

class C: public B, public A  // Note the order
{
public:
  C(int val)  {
    val_a = val;
    cout << "C's constructor called" << endl;
  }
  void display() {
    fprintf(stdout, "A: val = %d\n", val_a);
    fprintf(stdout, "B: val = %d\n", val_b);
  }
};

int main()
{
  C c((int)99);
  c.display();
  return 0;
}