Something

#include <iostream>

class Base1 {};
class Base2 {};
class Base3 {};
class Base4 {};
class Base5 {};
class Derived : public Base1, public Base2, public Base3, public Base4, public Base5
{
  private:
    int i;
};

int main()
{
  std::cerr << sizeof( Base1 ) << std::endl;
  std::cerr << sizeof( Base2 ) << std::endl;
  std::cerr << sizeof( Base3 ) << std::endl;
  std::cerr << sizeof( Base4 ) << std::endl;
  std::cerr << sizeof( Base5 ) << std::endl;
  std::cerr << sizeof( Derived ) << std::endl;
  return( 0 );
}